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Squares

Level 11 / build-up

3d square (easy mental)

5 visual steps / 3-digit square split

1. Split hundreds

112^21. Split hundreds split into base and tail 112=100+12base square100^210000double product_tail square_
112 as 100 + 12.

112 as 100 + 12.

2. Double product

112^22. Double product split into base and tail 112=100+12base square100^210000double product2 x 100 x 122400tail square_
2 x 100 x 12 = 2400.

2 x 100 x 12 = 2400.

3. Tail square

112^23. Tail square split into base and tail 112=100+12base square100^210000double product2 x 100 x 122400tail square12^2144
12^2 = 144.

12^2 = 144.

4. Combine parts

112^24. Combine parts split into base and tail 112=100+12base square100^210000double product2 x 100 x 122400tail square12^214410000 + 2400 + 144 = 12544
10000 + 2400 + 144 = 12544.

10000 + 2400 + 144 = 12544.

5. Read answer

112^25. Read answer Read answer 112^2 = 12544Read 112^2 = 12544.
Read 112^2 = 12544.

Read 112^2 = 12544.

Practice Level 11

Use the visible move, then type only when the answer is clear.

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