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Squares

Level 15 / build-up

3d square mastery H:4-6

5 visual steps / 3-digit square split

1. Split hundreds

459^21. Split hundreds split into base and tail 459=400+59base square400^2160000double product_tail square_
459 as 400 + 59.

459 as 400 + 59.

2. Double product

459^22. Double product split into base and tail 459=400+59base square400^2160000double product2 x 400 x 5947200tail square_
2 x 400 x 59 = 47200.

2 x 400 x 59 = 47200.

3. Tail square

459^23. Tail square split into base and tail 459=400+59base square400^2160000double product2 x 400 x 5947200tail square59^23481
59^2 = 3481.

59^2 = 3481.

4. Combine parts

459^24. Combine parts split into base and tail 459=400+59base square400^2160000double product2 x 400 x 5947200tail square59^23481160000 + 47200 + 3481 = 210681
160000 + 47200 + 3481 = 210681.

160000 + 47200 + 3481 = 210681.

5. Read answer

459^25. Read answer Read answer 459^2 = 210681Read 459^2 = 210681.
Read 459^2 = 210681.

Read 459^2 = 210681.

Practice Level 15

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

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