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. Tasks 3.NBT.2 Task 1: Compatible Numbers 3.NBT.2 Task 2: Toys for Us 3.NBT.2 Task 3: From 100 to 0

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. Tasks 3.NBT.3 Task 1: What's the Best Deal? 3.NBT.3 Task 2: Helping Hugh 3.NBT.3 Task 3: Earn That Bike

## Number and Operations in Base Ten

Use place value understanding and properties of operations to perform multi-digit arithmetic.3.NBT.1Use place value understanding to round whole numbers to the nearest 10 or 100.## Tasks

3.NBT.1 Task 1: Cafeteria Lunch Orders3.NBT.1 Task 2: Comparing Heights

3.NBT.1 Task 3: All About Rounding

3.NBT.2Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.Tasks3.NBT.2 Task 1: Compatible Numbers

3.NBT.2 Task 2: Toys for Us

3.NBT.2 Task 3: From 100 to 0

3.NBT.3Multiply 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.Tasks3.NBT.3 Task 1: What's the Best Deal?

3.NBT.3 Task 2: Helping Hugh

3.NBT.3 Task 3: Earn That Bike