1. Common Core State Standards
2. Math
3. Content
4. Grade 3
5. Number And Operations In Base Ten

Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.4

Outcomes

• 3.NBT.1
  Use place value understanding to round whole numbers to the nearest 10 or 100.
  Play Activities 53
  Examples
• 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.
  Play Activities 429
  Examples