This easy Sudoku puzzle features the lowercase letters a, b, c, and d! Solve the puzzle by writing each letter only once in each row, column, and block.

Boots, sneakers, flip-flops, slippers—which new shoes did Maria get? Solve this puzzle to find out!

Solve math puzzles so you aren’t puzzled by addition problems in the future!

Shape up your addition skills with these square puzzles!