Number Bonds-Addition & Subtraction Flash Cards

These durable, double-sided flash cards are great for home or classroom use. Number bonds show the relationship between a number and the parts that combine to make it. These cards show two parts of a number bond. Use addition or subtraction to find the missing number and create fact families. Cards feature a hole in the top corner that can be fit with a ring or string for easy organization and storage. Additionally, one corner is shaped differently than the others, making it easy to face all of the cards in the same direction. Includes 56 cards (featuring 98 number bonds), each measuring 3 1/8" x 5 1/8", and instructions and tips for teachers or parents. For ages 5 and up