Human Calculators?

The new economy needs people who can solve problems using calculators, not people who can calculate in their heads. The ability to solve the problem is the real skill. At Matrix Math, we are done [...]

#29. Question of the Week

How to solve Primary 5 heuristic problem sums involving Whole Numbers and Fractions? B represents a whole number. 1⁄4 of B is less than twice of B by 42. What is the value of B? Solution. 42 ÷ 7 [...]

#28. Question of the Week

How to solve Primary 4 heuristic problem sums involving Decimals? John and Peter had an equal amount of money at first. After John received $108.40 from his father and Peter spent $66.20, John [...]

#27. Question of the Week

How to solve problem sums involving Common Identity? Common Identity Concept is first introduced and tested extensively in Primary 3. Below is an example of a Common Identity Concept question. A [...]

#26. Question of the Week

How to solve Remainder Theory problem sums? Remainder Theory Concept is first introduced at Primary 4. Below is an example of a typical Remainder Theory question. Peter bought a book to read. He [...]

#25. Question of the Week

In the rectangle shown below, the ratio of SA : AB : BQ = 3 : 2 : 5, CR is 3⁄4 of QC and PB = QB. QS is a straight line. Find the ratio of the shaded region to the area the rectangle PQRS. [...]

#21. Question of The Week

Peter, John and Anna had 60 stamps altogether. Peter had 30 stamps. John had 10 more stamps than Anna. How many stamps did Anna have? ––––––––––––––––––––––––––– In QOTW 20, we shared the basic [...]

#20. Question of the Week

Yenni has 30 more sweets than Anna. Both of them have a total of 48 sweets. How many sweets does Anna have? –––––––––––––––––––––––––––– The concept of “Comparison of Quantity” is [...]

#16. Question of the Week

John has $60 and Peter has $40 in each of their bank accounts. Every day, John deposits $5 while Peter deposits $9. In how many days will Peter have $40 more than John?———————————————————-One of [...]

Riddle Me This #6

You are standing in a zoo. There are five zoo keeper. Each zoo keeper look after five big cages and each cage contains five huge tigers. Each huge tiger has five small tigers. We all know a tiger [...]

Riddle Me This #4

1, 11, 21, 1211, 111221, 312211, … Can you figure out the last number in this sequence? ————————————— Think this riddle is difficult? Hint: Try saying it out loud to find the answer! 😉 [...]

Riddle Me This #3

How can you make 1000 by using 8 exactly eight times?—————————————The riddle above sounds difficult now doesn’t it? Think you can solve it?For the solution, look below but no peeking! [...]

Riddle Me This #2

What is half of 2 + 2? ——————————— The above question sounds simple, but even we got it confused! Try thinking out of the box to solve it! Hint: The answer isn’t 4! If you think [...]

Riddle Me This #1

Create a 8-digit number using only the digits 4,4,3,3,2,2,1, and 1. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated by [...]


SHORT HOLIDAY MATHS COURSES Get Prepped For Next Year Now! Who’s it for? Students entering Primary 3 through to Secondary 3 Here at Matrix Math, we believe in being prepared and getting [...]

P4 Watch Out!

Area and Perimeter questions will certainly be tested in SA2. There are many types of challenging Area and Perimeter questions that can be tested. We have identified one of them. Question: John [...]

Can You Solve This?

John, Yenni, Peter and Anna are out walking. They come across a rickety wooden bridge. The bridge is weak and only able to carry the weight of two of them at a time. Because they are in a rush [...]



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