# Common Core Math Standards 350+ math concepts in Kindergarten to grade 5 aligned to your child's school curriculum

Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

## Number & Operations in Base Ten - 3rd Grade Common Core Math

### Use place value understanding and properties of operations to perform multi-digit arithmetic.

3.NBT.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

3.NBT.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.

3.NBT.3 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.