This quiz addresses the requirements of the National Curriculum KS1 Maths and Numeracy for children aged 6 and 7 in year 2. Specifically this quiz is aimed at the section dealing with using related division facts to perform written and mental calculations.
Year 2 children should begin to understand the relationship (or facts) between multiplication and division, and learn how they can use that relationship to check their answers. For example, if they calculate that 3 x 4 = 12, than they could check by calculating that 12 shared into 4 equal groups would give 3 in each group. Knowing and using the division facts will help with this.
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You can find more about this topic by visiting BBC Bitesize - Multiplying and dividing
If the multiplication facts are correct, the division facts should use the same numbers
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In the division fact, the largest number always comes first
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You could also use 50 ÷ 10 = 5
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A division 'cancels out' the multiplication as it is the opposite
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The largest number comes first, followed by either of the smaller numbers to give the other as the answer
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9 x 10 = 90 so 90 ÷ 9 = 10
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5 x 7 = 35 so 35 ÷ 5 = 7
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The calculation is correct, but checking it with either division would prove it
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If 7 x 2 = 14, then 14 ÷ 2 = 7 or 14 ÷ 7 = 2
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Division and multiplication are the inverse of each other, as are addition and subtraction
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