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Squares

Level 18 / realistic untimed

3d square H:7-9 U:7-9

5 visual steps / 3-digit square split

1. Split hundreds

789^21. Split hundreds split into base and tail 789=700+89base square700^2490000double product_tail square_
789 as 700 + 89.

789 as 700 + 89.

2. Double product

789^22. Double product split into base and tail 789=700+89base square700^2490000double product2 x 700 x 89124600tail square_
2 x 700 x 89 = 124600.

2 x 700 x 89 = 124600.

3. Tail square

789^23. Tail square split into base and tail 789=700+89base square700^2490000double product2 x 700 x 89124600tail square89^27921
89^2 = 7921.

89^2 = 7921.

4. Combine parts

789^24. Combine parts split into base and tail 789=700+89base square700^2490000double product2 x 700 x 89124600tail square89^27921490000 + 124600 + 7921 = 622521
490000 + 124600 + 7921 = 622521.

490000 + 124600 + 7921 = 622521.

5. Read answer

789^25. Read answer Read answer 789^2 = 622521Read 789^2 = 622521.
Read 789^2 = 622521.

Read 789^2 = 622521.

Practice Level 18

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

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