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Multiply x * . () by seven:
7 groups of or 7 lots of
Times by 10 and take 3 lots
Times by 5 and add 2 lots
Learn your 7 times tables
Skip count in 7s
Divide ÷ / by seven:
How many times does 7 go into
Break into 7 groups
One seventh of
Skip count in 7s and count the 7s
Keep subtracting 7 from the number 21-7-7-7=0 so 7 goes into 21 exactly 3 times
Reverse your 7 times tables 3x7=21 so 21÷7=3 and 21÷3=7
Add + seven:
Count 7 on from the original number
Partition the 7 into 5 and 2 or 3 and 4
Learn addition rules 2+7=9 so 82+7=89
Take - seven:
Count 7 back from the original number
Partition the 7 into 5 and 2 or 3 and 4
Learn subtraction rules 9-7=2 so 89-7=82
Number in grey (left) x number in grey (top) = number in white OR number in white ÷ number in grey = other number in grey.
| x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 0 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 | 77 | 84 |
Number in grey (left) + number in grey (top) = number in white OR number in white - number in grey = other number in grey.
| + | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
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