• Students see the inverse relationship between addition and subtraction when using number bonds. Knowledge of number bonds is essential when it comes to harder calculations involving addition and subtraction.
• Dry erase boards offer a practical solution for students to practice number bonds at school or home.
• These dry erase boards can be used in a variety of mathematical and verbal activities.
• High quality, double-sided dry erase boards have rounded corners and edges for safety.

Students explore pairs of numbers that make up a given number. Measuring 9" x 12", these plastic dry erase boards are printed on one side and blank on the other. Set of 10. Students see the inverse relationship between addition and subtraction when using number bonds. Knowledge of number bonds is essential when it comes to harder calculations involving addition and subtraction. These dry erase boards can be used in a variety of mathematical and verbal activities.