Subtraction flash cards teach subtraction with numbers to 10, to 20 and to 100. 3 flashcard sets, 162 cards. Ages 5+.

• Covers goemetric fractions, visual fractions and word problems
• Visual arrays are provided to help children see the mathematical relationships
• 50 double sided activity cards for teaching data handling
• Teaches fast, automatic recall
• A perfect activity for independent or guided learning
• Plastic
• Wipe clean
• Imported