Near 100 Squares
Square numbers near 100 (like 96 or 97) by anchoring on 100.
= 9216
96 sits 4 below 100, so is .
The distance comes off twice, which is why 96 − 4 = 92 starts the answer.
Then attach , padded to two digits because the anchor has two zeros.
Your turn
Three to try in your head — tap what you get.
All 36 shortcuts: the Magic Tricks library.