Crossword Math 1 mental arithmetic number puzzles: 50 addition & subtraction puzzle grids and dozens of other fun games:Education resources by Bounce Learning Kids

Crossword Math is a fun series of numbers activities books. Find all the missing numbers by solving all the sums in the grid, then use the select highlighted numbers to solve the bonus sum underneath. There are 50 puzzle grids as well as a wide range of other fun word and number activities games and puzzles.