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Multiply x * . () by eight:
8 groups of or 8 lots of
Skip count in 8s
Double the number then double and double again
Learn your 8 times tables
Divide ÷ / by eight:
How many times does 8 go into
Break into 8 groups
One eighth of
Skip count in 8s and count the 8s
Keep subtracting 8 from the number 24-8-8-8=0 so 8 goes into 24 exactly 3 times
Reverse your 8 times tables 3x8=24 so 24÷6=3 and 24÷3=6
Add + eight:
Count 8 on from the original number
Add 5 then add 3 or 2 and 6 etc.
Take - eight:
Count 8 back from the original number
Take 5 then take 3 or 4 then 4
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 0 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 | 88 | 96 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
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