Squares · Part Two

Know every square to 25? Prove it —
forwards AND backwards — then go past 25!

1

The Test: 1–25 Both Ways

Every square up to 625 — forwards, then backwards. 90% to pass!

2

26 to 30

Past the mountain: 676 to 900

3

31 to 35

The fives trick lands on 1225

4

36 to 40

All the way to 40×40 = 1600!

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Back to Part One

The climb to 625, coming back down, and the 1–25 mix.