3rd Grade - Math - 3.NBT - Numbers and Operations in Base 10
Use place value understanding and properties of operations to perform multi-digit arithmetic
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3.NBT.1
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Use place value understanding to round whole numbers to the nearest 10 or 100.
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3.NBT.2
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Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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3.NBT.3
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Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
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Web Games
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