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© Boardworks Ltd 20121 of 4 D1.1 Mental multiplication and division methods 1 of 4© Boardworks Ltd 2012.

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Presentation on theme: "© Boardworks Ltd 20121 of 4 D1.1 Mental multiplication and division methods 1 of 4© Boardworks Ltd 2012."— Presentation transcript:

1 © Boardworks Ltd 20121 of 4 D1.1 Mental multiplication and division methods 1 of 4© Boardworks Ltd 2012

2 2 of 4 Function machine – finding the input

3 © Boardworks Ltd 20123 of 4 336 ÷ 6 = 56 15 × 9 = 135 3·2 ÷ 0·8 = 4 874 × 0·5 = 437 168 ÷ 7 = 24 1) × 7 = 1682) 6 × = 33624 56 435 ÷ 5 = 87 3) 435 ÷ = 5 4) ÷ 9 = 15 87 135 24 ÷ 1·2 = 20 5) × 1·2 = 24 6) 3·2 ÷ = 0∙8204 4·9 ÷ 7 = 0·7 7) 7 × = 4∙98) ÷ 0·5 = 874 0·7437 Fill in the gaps

4 © Boardworks Ltd 20124 of 4 4·2 ÷ 7 = ? 0∙6 What multiplication fact would help us to solve this problem? 7 × 6 = 42 so 7 × 0·6 = 4·2 Using multiplication facts to divide


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