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Squares

Level 14 / build-up

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

5 visual steps / 3-digit square split

1. Split hundreds

416^21. Split hundreds split into base and tail 416=400+16base square400^2160000double product_tail square_
416 as 400 + 16.

416 as 400 + 16.

2. Double product

416^22. Double product split into base and tail 416=400+16base square400^2160000double product2 x 400 x 1612800tail square_
2 x 400 x 16 = 12800.

2 x 400 x 16 = 12800.

3. Tail square

416^23. Tail square split into base and tail 416=400+16base square400^2160000double product2 x 400 x 1612800tail square16^2256
16^2 = 256.

16^2 = 256.

4. Combine parts

416^24. Combine parts split into base and tail 416=400+16base square400^2160000double product2 x 400 x 1612800tail square16^2256160000 + 12800 + 256 = 173056
160000 + 12800 + 256 = 173056.

160000 + 12800 + 256 = 173056.

5. Read answer

416^25. Read answer Read answer 416^2 = 173056Read 416^2 = 173056.
Read 416^2 = 173056.

Read 416^2 = 173056.

Practice Level 14

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

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