Children learn the dynamics of addition and subtraction through visual aid. These double-value flash cards in vertical format consist of 81 cards printed two sides, one side printed with an addition problem and the other side with a directly related subtraction problem (e.g. 3+1=4 on one side, 4-1=3 on the reverse). For every addition fact, there are three other facts that belong to the same family. Suggested activities included.
Double-Value Vertical Flash Cards - Add & Sub
SKU: LAE-8662
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US$ 8.23
US$ 11.99
US$ 8.23
US$ 11.99
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This product is shipped from our supplier's warehouse in West Hartford, CT, United States
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This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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