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Understanding 11

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x Multiply
0 x 11 =
÷ Divide
22 ÷ 11 =
+ Addition
43 + 11 =
- Subtraction
66 - 11 =

Eleven, 11, XI

Multiply x * . () by eleven:
11 groups of or 11 lots of
For 0 to 9x11 just write the number twice 3x11=33 and 7x11=77
Learn your 11 times tables
Times by 10 then add another

Divide ÷ / by eleven:
How many times does 11 go into
Break into 11 groups
Reverse 11x tables 3x11=33 so 33÷11=3 and 33÷3=11

Add + eleven:
Add 1 to the tens and 1 to the ones digit
Add 10 then add 1

Take - eleven:
Take 1 from the tens digit then 1 from the ones digit
Take 1 then take 10

Number in grey (left) x number in grey (top) = number in white OR number in white ÷ number in grey = other number in grey.

x0123456789101112
110112233445566778899110121132

Number in grey (left) + number in grey (top) = number in white OR number in white - number in grey = other number in grey.

+0123456789101112
1111121314151617181920212223

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