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Math
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Addition and subtraction
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Age 9-12
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level: 4
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English
Author's Instructions
finding missing numbers in addition and subtraction items by following in finding missing addends, missing minuends and missing subtrahends.
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Math
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Addition and subtraction
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Age 9-12
-
level: 4
-
English
Author's Instructions
finding missing numbers in addition and subtraction items by following in finding missing addends, missing minuends and missing subtrahends.