Original triangle flash cards teach families of facts, showing the relationship between addition and subtraction. WCA Triangle flash card helps to relate between addition and subtraction. Card is ideal for 2 or more players and displays eight problems four are addition and four are subtraction.
- Shows the relationship between addition and subtraction
- Also shows the relationship between multiplication and division
- Math facts are shown on 20 cards
|Audience : Students||Education Subject Matter : Math||Brand : Wiebe, Carlson and Associates.|
|Weight : 1.00 lbs. per Pack|
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