# Age Old Problems Maths Answers

Since all the problems are scenarios, and often have topics that vary, they. In the ﬁgure above, line l is perpendicular to the y-axis and a distance of two units from the x-axis. View practice material for the new 2016 SAT. These tricky maths problems are. These problems will include all four operations (addition, subtraction, multiplication, and division). Papers are posted to arrive roughly two weeks before the challenge date. But surely a question meant for fifth graders, who are around the age of 11, should be doable – right? Well, this question from a Chinese maths paper has left swathes of the internet bowing down and admitting defeat. A father is 4 times as old as his son. When written in decimal notation, every square number has at most \$1000\$ digits that are not \$0\$ or \$1\$. Apr 15, 2015 · A Math Problem From Singapore Goes Viral: When Is Cheryl's Birthday? this week it is a math problem that is making bushels of brains hurt. You customize the math tests. D: The first figure had 6 sides. Year 5 Maths Worksheets (age 9-10) By the end of Year 5 children will be using efficient written methods for addition, subtraction, multiplication and division. Now that you can do these difficult algebra problems, you can trick your friends by doing some fancy word problems; these are a lot of fun. Problems Based on Ages Shortcut Tricks. (Note that since Lisa is 16 years younger than Kathy, you must add 16 years to Lisa to denote Kathy's age. If not, grab the calculator. Age old problems I am 48 years old (or possibly 104). At present, the man is 41 years old. Four years ago the sum of their ages was 60 years. Time is the main factor in competitive exams. 2012 (6), 2011 (9). The school subject called "Mathematics" has recently moved more and more to what could be called mechanical calculations or numeracy. Answer: Today you are 13 years old. KS3 Year 7 Maths and English Progress Tests. Warning : Before you watch this video be sure to fasten the seatbelts. Algebra Age Problems Application of word problems : In this section,we shall learn Algebra age problems. Solved examples with detailed answer description, explanation are given and it would be easy to understand - Page 2. 2) Denote the unknown by some letter such as x , y ,z etc. Some of these math videos feature actual math teachers providing step-by-step examples to help children solve problems. The calculator will evaluate your answers and then show the work so you can learn how to solve the word problem. Pat is 20 years older than his son James. Or if you have an eighth-grader who needs a little help with geometry, access our geometry word problem sheets. Exams, Answer Keys, and Solution Sets are offered here in Adobe Acrobat (. Bedtime Math Fun and lively daily math problems centered around real-life topics and offered in three levels: Wee Ones, Little Kids, and Big Kids. Many students find these problems intimidating because they are "word" problems, and because there does not appear to be a pattern to these problems. Sandra is playing in a tennis doubles tournament. At Exeter, we use problem sets, not textbooks. We know parents often want to find out for themselves how their child is doing at school and what progress they are making. Free online quizzes on Math Word Problems and Math Exercises including Addition, Subtraction, Multiplication, Division and Arithmetic problems. How old is the son? Solution: Let x – son’s age now Then 3x = father’s age now Now form a table. Remember, mean = average. So Jane is currently 12 years old. Section Titles Lessons (FREE) Exercises Examples Worksheets Answers; What Are Percentages? Percents & Equivalent Fractions: Subscribe (\$20 for 1 year) to get Exercises, etc. Directions. 27 The area of a trapezoid is found using the formula () 12. In age problems, you are given information so you can find the ages of the people in the problem. An insurance salesman walk up to house and knocks on the door. The free, printable worksheets below will give students a chance to work problems and fill in their answers in the provided blank spaces. Every child can master an understanding and love of maths with the right kind of teaching and support. Material taken from The National Strategies. To start practising, just click on any link. In this post , i will discuss important Chapter wise 5 marks questions (PARD - D). Here at Math Blaster, you will find free math worksheets on different topics and different levels of difficulty. the Chinese math. Every time you click the New Worksheet button, you will get a brand new printable PDF worksheet on Number System. Learning math is more than finding the correct answer; it’s also a process of solving problems and applying what you’ve learned to new problems. 8 years from now his age will be. So Jane is currently 12 years old. The trick also does not work if you are 100 years old or older. At this point in time, my age is exactly three times my Grandson's age. Age Now Age four years ago Son Father X 3x X. (The fact that these ages are also your current ages is merely a coincidence. The problem involves age. Problem 4 Three Brothers Problem 5 provided Sequence Problem Problem 6 Equilateral Triangle Problem 7 Quadrilateral Problem 8 Scales Problem 9 The Symbol Problem 10 Rectangle 2 Section 1 Problems & Hints This section contains the problems on a worksheet with a hints box to help guide the student through the problem. The students and adults are invited to express their visions and creativity in effort to promote this fun learning activity. Grade 7 - Mathematics Curriculum - Word Problems - Age - Math & English Homeschool/Afterschool/Tutoring Educational Programs. You can also get Bedtime Math problems in a free app. Our Visual Math curriculum works on the following skills: Addition and Subtraction Word Problems ;. Answer: This is one of the more amusing maths puzzles for kids age 6. You better be good with numbers if you want to attempt these brain bending puzzles. Printable Worksheets And Lessons. First Grade Math Worksheets. solving-math-problems. Math riddles are a creative way of having fun as well as sharpening your acumen with numbers and details. The Best Mental Math Tricks teaches how you can look like a math genius by solving problems in your head (rated 4. Hence, the son's present age is years, and the man's present age is. If you have a fossil, you can tell how old it is by the carbon 14 dating method. I wrote about this in my September 2012 Devlin's Angle. At present, Jerry is 4 years old, and Jennifer is 11 years old. Now for the intentions for the use of these questions. This 'unsolvable' Chinese maths problem has people stumped. The problem translates as follows: "If a ship had 26 sheep and 10 goats onboard, how old is the ship's captain?" How is the amount of cargo a ship contains supposed to help you figure out how old the captain is?. For those of you fellow board games fans, here are 10 recommended math board games,. You will be able to enter math problems once our session is over. Home › By Age › Eight to Eleven Years Old Math Worksheets For Ages 8 to 11. 8 years ago she was twice as old as I shall be in 5 years time. Math can be a difficult subject for many students, but luckily we're here to help. Knowledge Required of 1-2 digit numbers. Apply and adapt a variety of appropriate strategies to solve problems. Sam will be 3/4 Jane's age. Teacher Edition. Very Hard Math Problems. You’re not alone. The incredible maths trick that works out your age and shoe size (plus how it works) Can we guess your age and shoe size? This simple maths trick has taken the internet by storm. ) What can you say about how old she is now?. You can find area and volume of rectangles, circles, triangles, trapezoids, boxes, cylinders, cones, pyramids, spheres. In this lesson, students will solve math word problems using money, decimals, and fractions. So, if you want to impress people with a math trick this Halloween, just be sure their birthday is sometime before November and don't show it to. The techniques and methods we apply to solve problems on ages will vary from problem to problem. Sign in Remember. The question asks, "How old is each now?", which means it's asking for the ages of both Mary and her father. Test your logic and calculation skills with these numerical conundrums. Here’s an idea for using LEGO® for a pre-multiplication activity. Exams, answers and solutions not offered here are not available through this website. Statistical Analysis with R For Dummies. Here you will find a wide range of Mental Maths Worksheets aimed at Year 5 children which will help your child to learn number facts and practise their number skills. These puzzles can also be found in MathSphere: It's All Figured Out!. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Check out our printable math quizzes for kids and have fun answering questions related to a range of different math topics. Ritangle is a competition organised by Mathematics in Education and Industry (MEI) for teams of students of A level Mathematics, the International Baccalaureate and Scottish Highers. Step 1: Let Jim's current age be. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Mathematics problems are solved by using a wide variety of strategies. You may work problems in your test booklet or on scratch paper, but you must mark your answer on your answer sheet. Quiz: Very Hard Math Problems Questions and Answers. Accuracy is always important in math. Some people marvel at the fact that the answer is always 111 no matter how old you are and others think that 2011 is the only year in which a calculation like this will work. Printable Word Problems - Kids in grades K- 12 will find something of interest here. edu Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. They have fun doing the math number tricks, but at the same time they are getting better at doing the math. Grandson's age = 20 When my age is 60 years old, by Grandson's age is 20 years old. QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. Scroll down to read the problem and the solution. 8/5 stars on 5 reviews) Multiply Numbers By Drawing Lines This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. If a child has performed well in Mathematics at primary school during years 3 to 6 (KS2) then they probably won’t need too much additional tuition to prepare them for the Maths section of the exam. Math Fact Cafe provides parents and teachers the best generators for free K-5 math worksheets. On this page you will find: a complete list of all of our math worksheets, lessons, math homework, and quizzes. The minimum age for getting a boat's license is 23, so he's at least 28. Brilliant - Understand concepts and build your problem solving skills with thousands of free problems and examples in math, science, and engineering. The 2018 Math Olympiad will be held on Saturday November 17th. How old is the son? 2. They can also be told the answer for every throw of the dice that are used in the game. Four years ago the sum of their ages was 60 years. If x = present age of a person x - 3 = age of the person 3 years ago x + 5 = age of the person 5 years from now or 5 years hence. Brain Teasers and Math Puzzles This web page index on Syvum contains a list of FREE online brain teasers and math puzzles at three levels of difficulty - Easy, Medium and Challenging. Fraction Practice Online. 9 Age Practice from MATH 012 at University of Maryland, Baltimore County. To find Sam's current age, substitute 12 for J in equation (1): 12 - 4 = 2*(S-4) 8 = 2S - 8 S = 8 (Sam's current age) Check if correct: 4 yrs ago, Jane was 8 and Sam was 4. Also detailed solutions and full explanations are included. See the 3,700+ problems in our core curriculum, updated each year by our math faculty. If you are good at basic math, you should be able to easily calculate your age by chocolate. If the father's age is \$38\$ years now, what was the. No judgment if it trips you up a bit. If you were born in 1914 and wear a size 10 shoe, the trick would conclude that your shoe size is 11 and that you were 0 years old. Using the clues given in the problem we. In 5 years, Bret will be twice as old as Laura. She says I will give you a hint. edu Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Thanks for the A2A. It was given for the first time by Gustave Flaubert in a letter to his sister Caroline in 1841:. First go to the first question of your Hegarty Maths quiz Answers to hegarty maths. From soapy toes in the bathtub to “get ready-set-go!” in the yard, you are well positioned to observe and gather information about the early math skills your 3- to 4-year-old child is developing. Age problems are a very popular type of algebra word problem. It's not uncommon for kids to have trouble with math. Students will solve problems involving multiple steps (for example, students may be asked to first add, then subtract). After buying them she had \$10. Printable Word Problems – Kids in grades K- 12 will find something of interest here. Whatever the challenges and whatever the topic, maths can be made so much easier with a little encouragement and a lot of resources. Teachers! Feel free to select from this list and give them to your students to see if they have mastered how to solve tough algebra problems. Your children learn math. These worksheets are geared for students between the ages of eleven and fifteen. Latest News Find out the latest news from the wider problem-solving community. Isolate variable x. Math Word Problems - GED, PSAT, SAT, ACT, GRE Preparation Curriculum - Word Problems - Age - Math & English Homeschool/Afterschool/Tutoring Educational Programs. Problem solving questions are standard 5-choice multiple choice questions. Tell the age of people (between 0 and 63) from the cards they pick. Learning these efficient, or standard, methods of calculating should only take place when children can add or subtract 2-digit numbers in their heads and have a sound knowledge of times. Grandson's age = 20 When my age is 60 years old, by Grandson’s age is 20 years old. Fifth-graders in China’s Shunqing district were recently asked to answer this question: “If a ship had 26 sheep and 10 goats on board, how old is the ship’s captain?” The apparently. The following table is a partial lists of typical equations. So, if you want to impress people with a math trick this Halloween, just be sure their birthday is sometime before November and don't show it to. They can also be told the answer for every throw of the dice that are used in the game. Math Teaching Materials | Phillips Exeter Academy. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. You can simplify and evaluate expressions, factor/multiply polynomials, combine expressions. If you are a middle-aged man looking to have a good time dating woman half your age, this article is for you. Age Now Age four years ago Son Father X 3x X. after the free registration you will be able to download the book in 4 format. Note: The difference of the ages of two persons is constant at any time. Solved: I have a riddle/math problem. A woman answers, and he asks her how many children she has and how old they are. Students will solve problems involving multiple steps (for example, students may be asked to first add, then subtract). If not, grab the calculator. Need help with CP math problem answer why is it not c? ans A. Not only do you have to get the math questions right, you have to time your answers to overcome the puzzle of each level! Eratosthenes will be throwing a scroll in the level, and you must time it perfectly so that it hits its target. Four years ago the sum of their ages was 60 years. Bomb Numbers - The old bomber arcade game - updated into an online mathematics drill. If he lived to be 84, then one-sixth of his life is 14 years, one-twelfth of his life is 7 years (so he'd be 21, and he certainly should have a beard by this age), one-seventh of his life is 12 years (so he didn't marry until he was 33 years old), his child was born when he was 38, the boy died at 42 (when Diophantus was 80), and then. In three years, Jerry will be years old, while Jennifer will be years old. The problem that Zhang chose, in 2010, is from number theory, a branch of pure mathematics. QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. Note that this problem requires a chart to organize the information. Six buses were filled and 7 students traveled in cars. For those of you who are mathematical geniuses, here's a parting riddle, created by none other than the great Albert Einstein himself!. How old is the fossil? We can use a formula for carbon 14 dating to find the answer. Age Old Problems 2 Find the ages of the Jones family members and fill in the family tree. So, if you want to impress people with a math trick this Halloween, just be sure their birthday is sometime before November and don't show it to. Four years ago the sum of their ages was 60 years. Problems On Ages - Aptitude Questions And Answers :quiz When Miguel's present age is added to his grandfather's present age, the total is 68. We are more than happy to answer any math specific question you may have about this problem. This book contains a huge range of Maths practice questions for ages 10-11, all in the style of the 11 Plus test set by CEM (Durham University). Feb 2012 - Paper | Answers and Notes Challenge Your Pupils, Challenge Your Pupils 2 and Challenge Your Pupils 3 , each containing over 200 multiple choice problems taken from past PMC's, to interest and motivate pupils, can be purchased from the shop. Information. David Rittenhouse Lab. The college math test has 20 problems that cover the following topics: algebraic operations, algebraic applications, trigonometry, functions, coordinate geometry, and solutions of equations and inequalities. For each number there are 4 quizzes, A, B, C and D. Maths Puzzles On Age #1 - Tough Age Problem issabella was only one-fourth the age of sophie at that time. Step 1: Let Jim's current age be. Start the clock before commencing the activity and watch Maths skills rocket after using this program several times. Are you looking for a 3rd grade math test that your kids can take online? On this website you have access to many of free tests and quizzes. All of the worksheets come with an answer key on the 2nd page of the file. Includes answer key. v) Vedic Mathematics with its special features has the inbuilt potential to solve the psychological problem of Mathematics - anxiety. The answer key and explanations are given for the practice questions. Intermediate Algebra, Algebra - I and Algebra - II students can practice these questions. In three years, Jerry will be years old, while Jennifer will be years old. In this post , i will discuss important Chapter wise 5 marks questions (PARD - D). 1) Read the problem carefully and note down what is given and what is required. Luckily for parents and teachers, there are plenty of websites that provide math problems for extra math practice. the Chinese math. Tracing paper may be used. And then practiced it a lot. When she arrives at a solution, ask her to re-read the word problem and decide whether her solution makes sense. The MAA’s American Mathematics Competitions program leads the nation in strengthening the mathematical capabilities of the next generation of problem-solvers. I also watched another guy do a 45 minute lesson letting kids break into pairs to show how they got their answer to a basic math problem and judging by the look of the kids, they looked far too old to be doing something so basic and take 45 minutes of class time to do it!. ) What can you say about how old she is now?. Math Lesson Plans and Worksheets. Maths Aptitude Mental Ability Model Question Shortcut Tricks are Uploaded as Pdf Format. Math difficulties can show up at different ages and in lots of ways. In word problems, bar models hold the huge benefit of helping children decide which operations to use or visualise problems. Pure mathematics, as opposed to applied mathematics, is done with no practical purposes in mind. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. There are 259 quizzes and 2,590 trivia questions in this category. Since you are a novice (I consider everyone [including myself] to be a novice so forgive me) let. In such problems, the ages of two or more people will either be such that they bear a ratio or they will have some relation by which we can get a ratio. Radiometric dating problems and answers - How to get a good woman. Grade 7 - Mathematics Curriculum - Word Problems - Age - Math & English Homeschool/Afterschool/Tutoring Educational Programs. Mathematically Gifted Students: How Can We Meet Their Needs? This article discusses the identification of the characteristics of the gifted math student, how school districts comply with the child’s needs, and how teachers can learn the importance of differentiation of instruction. Math Game Time’s free math videos incorporate both learning and fun. Remember, mean = average. Need more help with math problems than a calculator can provide? There’s now an app for that. The Best Mental Math Tricks teaches how you can look like a math genius by solving problems in your head (rated 4. Your creativity can help other teachers. Grandson's age = 20 When my age is 60 years old, by Grandson's age is 20 years old. The questions and tips that follow will help you understand what math awareness and skills your child should have — and how you can support his. 5 x all pages,EPub Reformatted especially for book readers, Mobi For Kindle which was converted from the EPub. Past Problems & Solutions. GCSE maths takeaway exam questions sorted by topic with full answers and video help. Activities for children. Pol’s age:. The problem involves age. Therefore, Kathy is x + 16. In age problems, you are given information so you can find the ages of the people in the problem. Pol is years younger than Greg. These free maths problems activities are great for teaching and learning the skills needed to solve mathematical problems as they are engaging for young children. A snapshot of mathematics problems and implications Math disabilities, like other learning disorders, have the power to keep children from performing up to their potential in school and beyond. If you have a fossil, you can tell how old it is by the carbon 14 dating method. (The fact that these ages are also your current ages is merely a coincidence. They are also very customizable: you can control the number of problems, font size, spacing, the range of numbers, and so on. 5 Simple Math Problems No One Can Solve. Mar 16, 2016 · British professor Andrew Wiles wins \$700,000 Abel Prize for solving Fermat's Last Theorem. If the father's age is \$38\$ years now, what was the. Click on the 'print' button to print a pupil worksheet and an answer sheet. Tracey will be 7 times her daughter's age 5 years ago. Test your logic and calculation skills with these numerical conundrums. How much did each pencil cost? 3) The sum of three consecutive numbers is 72. The answer key and explanations are given for the practice questions. For each number there are 4 quizzes, A, B, C and D. There are many kinds of math worksheets for kids available online. Math Skills: What to Expect at Different Ages Children develop at their own rate, but you can generally expect them to meet certain milestones. c) There is a relationship between smoking cigarettes and getting emphysema. Printable Worksheets And Lessons. School Zone - Big Second Grade Workbook - Ages 7 to 8, Word Problems, Reading Comprehension, Phonics, Math, Science, and More (School Zone Big Workbook Series) (Cover may vary) [School Zone, Shannon M. Problem solving questions are standard 5-choice multiple choice questions. You take care of the former, and our maths worksheets will cover the latter. When solving age problems, you need to represent the following in terms of a variable: - the present ages of the people or things involved - the age, at the other specified time, of the people or things involved. Start the clock before commencing the activity and watch Maths skills rocket after using this program several times. A problem which has defeated mathematicians for almost 140 years has now been solved. In the ﬁgure above, line l is perpendicular to the y-axis and a distance of two units from the x-axis. The problems are arranged so the methods or ideas used to solve the first problems can be generalized in some way to solve the next ones. This problem is also not difficult to solve using Algebra. Home; In a group of 120 people, 90 have an age of more 30 years, and the. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. How old is the son? 2. 8 years ago she was twice as old as I shall be in 5 years time. How old are they now?. The reading level is too hard for the students. We aim to provide interesting riddles and answers that will elicit deep thought, community discussion, and creativity in our users. FREE Singapore math lessons , Primary 3 to Primary 6 (Singapore), Year 3 to Year 7 (USA). Many people use calculators or computers these days rather than trying to use their own brains. The programme goes right from the very basics of recognising numbers all the way to complex mathematical theories in small steps, building ability gradually along the way. So, from equations to word problems, for a math operation to be worth solving, the need for a solution must have real-life implications to which students can relate. Whether you are a student looking to revise for a KS3 Maths test or a tutor looking for Key stage three English materials then you should find our tests useful. d) From past figures, it is predicted that 39% of the registered voters in California will vote in the June. We received lots of correct answers to the first part of the problem. The thing I don't like about this new series is the way the problems are stated; they're hard for the students to get what to do. Aug 22, 2013 · Are you smarter than a 16 year old? - take our GCSE maths quiz Are you smarter than a 16 year-old - or at least the 62% who passed GCSE maths this year? Give your answer in hours and minutes. Solve a Difficult Limit Problem Using the Sandwich. You must use your reading skills to translate the words of the question into a workable math problem and then solve for your information. To stimulate enthusiasm and a love for Mathematics ; To introduce important Mathematical concepts. But surely a question meant for fifth graders, who are around the age of 11, should be doable – right? Well, this question from a Chinese maths paper has left swathes of the internet bowing down and admitting defeat. Free math problem solver answers your algebra homework questions with step-by-step explanations. The calculator will evaluate your answers and then show the work so you can learn how to solve the word problem. As you complete the math problems in this book, you will undoubtedly want to check your answers against the answer explanation section at the end of each chap-ter. Mar 16, 2016 · British professor Andrew Wiles wins \$700,000 Abel Prize for solving Fermat's Last Theorem. Brain Teasers and Math Puzzles This web page index on Syvum contains a list of FREE online brain teasers and math puzzles at three levels of difficulty - Easy, Medium and Challenging. AplusClick free online math problems, questions, logic puzzles, and math games on numbers, geometry, algebra for grades 1st to 12th. How old is issabella and sophie now ?. When we are solving age problems we generally will be comparing the age of two people both now and in the future (or past). The questions and tips that follow will help you understand what math awareness and skills your child should have — and how you can support his. Material taken from The National Strategies. Key Stage 2 Archive - Key Stage 2 National Curriculum Tests Mathematics (15). Students learn to solve "age" word problems, such as the following. The answers can be very useful when trying to solve a very hard riddle. Students learn to solve "age" word problems, such as the following. (Note that these math teachers are not able to work collaboratively with science teachers to develop/implement lessons, and must therefore “go-it-alone. b) The chances of winning the California Lottery are one chance in twenty-two million. Summing up. Find free quizzes that will test your math skills and ability in areas such as addition, subtraction, multiplication, division, basic algebra, fractions, geometry, decimals and more. At this point in time, my age is exactly three times my Grandson's age. CoolMath4Kids - Math and Games for Kids, Teachers and Parents. Now identify the adult dose. Word math problems with answers for grade 8 are presented. You’re not alone. All worksheets displayed here are focused for students that are eight, nine, ten and eleven years of age. Read each question carefully and decide which of the five alternatives best answers the question. View Homework Help - 1. The reading level is too hard for the students. Every problem in 501 Math Word Problems has a complete answer explanation. Find their age at present. In such problems, the ages of two or more people will either be such that they bear a ratio or they will have some relation by which we can get a ratio. The problem translates as follows: "If a ship had 26 sheep and 10 goats onboard, how old is the ship's captain?" How is the amount of cargo a ship contains supposed to help you figure out how old the captain is?. I didn't know how extensive the site was until I bought the book. Problems with Basic Math? Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ. Hence, the son's present age is years, and the man's present age is. IXL Learning Learning. A proud mom recently posted her six-year-old son's hilarious answer to a math test question online. Here we have mentioned few math trick play. He says this is not enough information. PRACTICE PROBLEM 7 The doctor orders an adult dose of 2 million units of Penicillin G potassium per day divided into 4 doses. The thing I don't like about this new series is the way the problems are stated; they're hard for the students to get what to do. Half life and radiometric dating practice problems answer key - Men looking for a woman - Women looking for a woman. Students should be able to break this down into a simple algebraic equation based on the order of the steps, representing Jake's age as a and Jan's age as 2a: a + 2a = 5a - 48. Many teachers use these as a weekly challenge. The ages of two persons differ by \$16\$ years. A snapshot of mathematics problems and implications Math disabilities, like other learning disorders, have the power to keep children from performing up to their potential in school and beyond. Learn and free online practice on age related maths problems with examples, formulas, shortcuts, techniques to solve easily.