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Specific Tricks

Level 1 / foundation

x11 (1d x 11)

2 visual steps / times 11 digit insert

1. Add digits

7 x 111. Add digitsAdd the middle digits.17 x 10 = 702add one more 73answer 77
Add the middle digits.

Add the middle digits.

2. Handle carry

7 x 112. Handle carryPlace the sum between.17 x 10 = 702add one more 73answer 77
Place the sum between.

Place the sum between.

Practice Level 1

Name the shape first; the shortcut stays small.

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