Online Math Lesson – P6W26Q13

At first, John had some money. He spent 1⁄4 of it on a T-shirt and 2⁄5 of the remainder on a pair of shoes. After that, his parents gave him $120. The ratio of the total amount of money he had at [...]

#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. [...]

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