Division: sharing, grouping and remainders · Usually met around P2
÷2, ÷5, ÷10
÷5: double it, then ÷10.
How to do it
Method
÷5: double it, then ÷10
35 ÷ 5 = 70 ÷ 10 = 7
Another way
Think multiplication
5 × 7 = 35, so 35 ÷ 5 = 7
In full
Division isn't new. It's multiplication asked the other way round: 35 ÷ 5 means 'five times what is 35?' Some shortcuts: a whole ten ÷10 just loses its zero. ÷5 is double, then ÷10 (35 ÷ 5 → 70 → 7). ÷2 is halving.
Worked examples
Have a go first, then open each one for the answer and the working.
Example 1
50 ÷ 10
Show the answer and working
Answer: 50 ÷ 10 = 5
50 ÷ 10: ÷10 takes a zero off → 5
Example 2
20 ÷ 2
Show the answer and working
Answer: 20 ÷ 2 = 10
20 ÷ 2: ÷2 is halving, 10 + 10 = 20
Example 3
5 ÷ 5
Show the answer and working
Answer: 5 ÷ 5 = 1
5 ÷ 5: ÷5 is double, then ÷10, 5 × 2 = 10, 10 ÷ 10 = 1
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