Mental Arithmetic > Squares > Flashcards
1st 5 squares
1 4 9 16 25
1st 10 squares
1 4 9 16 25 36 49 64 81 100
1st 15 squares
1 4 5 9 16 25 36 49 64 81 100 121 144 169 196 225
1st 20 squares
1 4 5 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400