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            Description
Subtraction Flash Cards: Teach subtraction with numbers to 10, to 20 and to 100. Each pack includes 3 flash card sets (162 cards). Ages 5+. Sold as 3 packs for a total of 486 cards.
Key Features:
- Each value pack of flash cards includes 3 sets of 54 cards for teaching subtraction, sold as 3 value packs for a total of 486 cards
 - Covers subtraction under 10, under 20 and under 100
 - Visual arrays are provided to help children see the mathematical relationships
 - Teaches fast, automatic recall
 - A perfect activity for independent or guided learning