A little sudoku-like app for helping first-graders practice addition

experiment: give up on changing shape mode

I often find myself accidentally hovering over some shape or other when switching modes.

One additional reason to do this: I never included it in the help. So it hasn't been very high-priority.

Created by  Kartik K. Agaram  on May 30, 2022
H4K2GFILFMCVWL2EBTPHPYXLVH6ZBFWTH2FIQXOTMQAMJZJ2HSGQC
Change contents