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Squares

Level 9 / foundation

2d square (any)

5 visual steps / 2-digit square split

1. Split tens

37^21. Split tens split into base and tail 37=30+7base square30^2900double product_tail square_
37 as 30 + 7.

37 as 30 + 7.

2. Double product

37^22. Double product split into base and tail 37=30+7base square30^2900double product2 x 30 x 7420tail square_
2 x 30 x 7 = 420.

2 x 30 x 7 = 420.

3. Tail square

37^23. Tail square split into base and tail 37=30+7base square30^2900double product2 x 30 x 7420tail square7^249
7^2 = 49.

7^2 = 49.

4. Combine parts

37^24. Combine parts split into base and tail 37=30+7base square30^2900double product2 x 30 x 7420tail square7^249900 + 420 + 49 = 1369
900 + 420 + 49 = 1369.

900 + 420 + 49 = 1369.

5. Read answer

37^25. Read answer Read answer 37^2 = 1369Read 37^2 = 1369.
Read 37^2 = 1369.

Read 37^2 = 1369.

Practice Level 9

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

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