Each of these double-sided, dry-erase cards feature parts of the 120 board. Students fill in the missing numbers on the grid for practice in counting, ordering, addition, subtraction and place value. One side of each card has a number clue for children to complete the pattern. A related 'Go Further' question provides an extra challenge. Reverse side has a blank grid for students to create their own pattern. Set includes 50 dry-erase cards and activities.