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Specific Tricks

Level 8 / realistic untimed

Squares ending in 5 (3d, easy prefix)

2 visual steps / ending-5 square

1. Prefix next

425^21. Prefix nextMultiply prefix by next number.142 x 43 = 18062append 253answer 180625
Multiply prefix by next number.

Multiply prefix by next number.

2. Append 25

425^22. Append 25The ending is always 25.142 x 43 = 18062append 253answer 180625
The ending is always 25.

The ending is always 25.

Practice Level 8

Name the shape first; the shortcut stays small.

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