Numbers are full of patterns! Can you use your knowledge of patterns in times tables and math facts to solve this riddle?

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.

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!