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Squares

Level 25 / mastery

4d square mastery D1:4-6

5 visual steps / 4-digit square split

1. Split thousands

4596^21. Split thousands split into base and tail 4596=4000+596base square4000^216000000double product_tail square_
4596 as 4000 + 596.

4596 as 4000 + 596.

2. Double product

4596^22. Double product split into base and tail 4596=4000+596base square4000^216000000double product2 x 4000 x 5964768000tail square_
2 x 4000 x 596 = 4768000.

2 x 4000 x 596 = 4768000.

3. Tail square

4596^23. Tail square split into base and tail 4596=4000+596base square4000^216000000double product2 x 4000 x 5964768000tail square596^2355216
596^2 = 355216.

596^2 = 355216.

4. Combine parts

4596^24. Combine parts split into base and tail 4596=4000+596base square4000^216000000double product2 x 4000 x 5964768000tail square596^235521616000000 + 4768000 + 355216 = 21123216
16000000 + 4768000 + 355216 = 21123216.

16000000 + 4768000 + 355216 = 21123216.

5. Read answer

4596^25. Read answer Read answer 4596^2 = 21123216Read 4596^2 = 21123216; nearby4600^2 = 21160000 checks size.
Read 4596^2 = 21123216; nearby 4600^2 = 21160000 checks size.

Read 4596^2 = 21123216; nearby 4600^2 = 21160000 checks size.

Practice Level 25

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

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