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| Three-Corner (Addition and Subtraction) Flash Cards Item number T-1670. ON BACKORDER UPC 0078628940428 Trend Enterprises |
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Self-checking cards teach addition and subtraction and the relationship between them. Facts through 12. 48 two-sided cards. 5 1/2" triangles. |
| Multiplication Wrap-Up Keys The Multiplication Wrap-u... grades 3 to 4 more |
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| Multiplication 0-12 Flash Cards Proven effective for buil... grades 3 to 4 more |
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| Division 0-12 (all facts) Flash Cards Proven effective for buil... grades 3 to 5 more |
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| Three-Corner (Multiplication and Division) Flash Cards Self-checking cards teach... grades 3 to 5 more |
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