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Squares

Level 17 / build-up

3d square H:7-9 TU:1-6

5 visual steps / 3-digit square split

1. Split hundreds

716^21. Split hundreds split into base and tail 716=700+16base square700^2490000double product_tail square_
716 as 700 + 16.

716 as 700 + 16.

2. Double product

716^22. Double product split into base and tail 716=700+16base square700^2490000double product2 x 700 x 1622400tail square_
2 x 700 x 16 = 22400.

2 x 700 x 16 = 22400.

3. Tail square

716^23. Tail square split into base and tail 716=700+16base square700^2490000double product2 x 700 x 1622400tail square16^2256
16^2 = 256.

16^2 = 256.

4. Combine parts

716^24. Combine parts split into base and tail 716=700+16base square700^2490000double product2 x 700 x 1622400tail square16^2256490000 + 22400 + 256 = 512656
490000 + 22400 + 256 = 512656.

490000 + 22400 + 256 = 512656.

5. Read answer

716^25. Read answer Read answer 716^2 = 512656Read 716^2 = 512656.
Read 716^2 = 512656.

Read 716^2 = 512656.

Practice Level 17

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

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