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Squares

Level 20 / build-up

3d square mastery H:7-9

5 visual steps / 3-digit square split

1. Split hundreds

786^21. Split hundreds split into base and tail 786=700+86base square700^2490000double product_tail square_
786 as 700 + 86.

786 as 700 + 86.

2. Double product

786^22. Double product split into base and tail 786=700+86base square700^2490000double product2 x 700 x 86120400tail square_
2 x 700 x 86 = 120400.

2 x 700 x 86 = 120400.

3. Tail square

786^23. Tail square split into base and tail 786=700+86base square700^2490000double product2 x 700 x 86120400tail square86^27396
86^2 = 7396.

86^2 = 7396.

4. Combine parts

786^24. Combine parts split into base and tail 786=700+86base square700^2490000double product2 x 700 x 86120400tail square86^27396490000 + 120400 + 7396 = 617796
490000 + 120400 + 7396 = 617796.

490000 + 120400 + 7396 = 617796.

5. Read answer

786^25. Read answer Read answer 786^2 = 617796Read 786^2 = 617796.
Read 786^2 = 617796.

Read 786^2 = 617796.

Practice Level 20

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

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