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Level 9 / foundation

Squares ending in 5 (3d, hard prefix)

2 visual steps / ending-5 square

1. Prefix next

855^21. Prefix nextMultiply prefix by next number.185 x 86 = 73102append 253answer 731025
Multiply prefix by next number.

Multiply prefix by next number.

2. Append 25

855^22. Append 25The ending is always 25.185 x 86 = 73102append 253answer 731025
The ending is always 25.

The ending is always 25.

Practice Level 9

Name the shape first; the shortcut stays small.

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