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STANDARDS

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US-NC

Math

North Carolina Math

Grade 3: Number and Operations in Base Ten

Use place value to add and subtract.

NC.3.NBT.2

Add and subtract whole numbers up to and including 1,000.

NC.3.NBT.2.a

Fully covered
Use estimation strategies to assess reasonableness of answers.

NC.3.NBT.2.b

Fully covered
Model and explain how the relationship between addition and subtraction can be applied to solve addition and subtraction problems.

NC.3.NBT.2.c

Not covered
Use expanded form to decompose numbers and then find sums and differences.
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Generalize place value understanding for multi-digit numbers.

NC.3.NBT.3

Fully covered
Use concrete and pictorial models, based on place value and the properties of operations, to find the product of a one-digit whole number by a multiple of 10 in the range 10–90.