• Mastery PD Materials

## Using compensation to calculate

Spine 2: Multiplication and Division – Topic 2.25

### Introduction

Learn how multiplication and division calculations are affected when one element of the calculation is multiplied or divided by a scale factor.

### Teaching points

• Teaching point 1: For multiplication, if there is a multiplicative change to one factor, the product changes by the same scale factor.

• Teaching point 2: For division, if there is a multiplicative change to the dividend and the divisor remains the same, the quotient changes by the same scale factor.

• Teaching point 3: For division, if there is a multiplicative increase to the divisor and the dividend remains the same, the quotient decreases by the same scale factor; if there is a multiplicative decrease to the divisor and the dividend remains the same, the quotient increases by the same scale factor.

## Downloads

• Primary
• KS2
• Year 6

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