## Bar Model: What’s Ethan’s age?

Ethan is as old as his aunt now. The ratio of Ethan’s age to his aunt’s age was 1 : 7 ten years ago.
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# Singapore Maths: Fun Play 'n Learn

## A Playground for Primary Mathematics Resources based on Singapore Mathematics Curriculum

#
Heuristics

## Bar Model: What’s Ethan’s age?

## Bar Model: Pears & Mangoes

## Sharing a quarter of a watermelon

## Six stages of learning with integers

## How to develop Fractions Understanding?

## The Heart of Mathematics: An invitation to effective thinking 4th Ed.

Ethan is as old as his aunt now. The ratio of Ethan’s age to his aunt’s age was 1 : 7 ten years ago.
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Ali bought 8 pears and 6 mangoes. A mango costs 4 times as much as a pear. If 2 pears and 1 mango
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Based on the number of watermelons in the diagram shown on the left, how many people can share these watermelons if each were
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The theory of the six stages of learning with integers (Published in “Mathematics in Schools”, Volume 29, Number 2, March 2000) Stage 1
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This document focus on learning and teaching fractions through the following three processes, with some classroom examples: representing Students of all ages need
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The Heart of Mathematics addresses the big ideas of mathematics (many of which are cutting edge research topics) in a non-computational style intended
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