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Three-Corner Flash Cards: Addition and Subtraction

  • 48 Two-sided triangle cards
  • Teaches addition and subtraction and the relationship between them
  • Ideal for 1st Grade to 3rd Grade
  • Ages 6 to 8

These cards allow students to learn the relationship between operations. Each Three Corner flash card teaches a family of facts. Each set has two operations and 46 two sided cards. Standard Focus: addition and subtraction computation, fact families. Sold as Single Unit. Self-checking cards. Helps students learn addition and subtraction and the relationship between them. Covers facts through 12. includes 48 two-sided cards.

$ 4.87