Number and Operations in Base Ten (3.NBT)

 

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3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.

Round to the nearest 10

Round to the nearest 10

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Round to the nearest 100

Round to the nearest 100

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3.NBT.A.2

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.

Add Two-Digit number by One-Digit

Add Two-Digit number by One-Digit

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Subtract Two-Digit number
by One-Digit

Subtract Two-Digit number
by One-Digit

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Add Two-Digit number
by Two-Digits

Add Two-Digit number
by Two-Digits

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Subtract Two-Digit number
by Two-Digits

Subtract Two-Digit number
by Two-Digits

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Add Three-Digit number
by One-Digit

Add Three-Digit number
by One-Digit

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Add Three-Digit number
by Two-Digits

Add Three-Digit number
by Two-Digits

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Subtract Three-Digit number
by Two-Digits

Subtract Three-Digit number
by Two-Digit number

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Add Three-Digit number
by Three-Digits

Add Three-Digit number
by Three-Digits

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Subtract Three-Digit number
by Three-Digits

Subtract Three-Digit number
by Three-Digit number

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3.NBT.A.3

Multiply one-digit whole numbers by multiples of 10 in the range 10–90 using strategies based on place value and properties of operations. (e.g., 9 × 80, 5 × 60)

Multiply One-Digit by Tens

Multiply One-Digit by Tens

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