Addition & Subtraction Triangle Flash Cards
$8.99
Availability:
In stock
SKU
LA4551
Triangle Flash Cards teach families of facts, showing the relationship between addition and subtraction. You can learn four facts on each side of the card! Each card features the three parts of a fact family. Look at the whole card to see the relationship between the numbers. How is 4 in one corner related to 7 and 3 in the other corners? Cover up any of the corners to test your knowledge! It's a unique way to learn addition and subtraction facts! Includes 20 flash cards and instructions
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