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Squares

Level 16 / build-up

3d square H:4-6 TU:1-6

5 visual steps / 3-digit square split

1. Split hundreds

456^21. Split hundreds split into base and tail 456=400+56base square400^2160000double product_tail square_
456 as 400 + 56.

456 as 400 + 56.

2. Double product

456^22. Double product split into base and tail 456=400+56base square400^2160000double product2 x 400 x 5644800tail square_
2 x 400 x 56 = 44800.

2 x 400 x 56 = 44800.

3. Tail square

456^23. Tail square split into base and tail 456=400+56base square400^2160000double product2 x 400 x 5644800tail square56^23136
56^2 = 3136.

56^2 = 3136.

4. Combine parts

456^24. Combine parts split into base and tail 456=400+56base square400^2160000double product2 x 400 x 5644800tail square56^23136160000 + 44800 + 3136 = 207936
160000 + 44800 + 3136 = 207936.

160000 + 44800 + 3136 = 207936.

5. Read answer

456^25. Read answer Read answer 456^2 = 207936Read 456^2 = 207936.
Read 456^2 = 207936.

Read 456^2 = 207936.

Practice Level 16

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

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