Chapter 4
Use place value understanding and properties of operations to add and subtract.
4.1 Break Apart Ones to Add
4.2 Use Compensation
4.3 Break Apart Addends as Tens and Ones
4.4 Model Regrouping for Addition
4.5 Model and Record 2-Digit Addition
4.6 2-Digit Addition
4.7 Practice 2-Digit Addition
4.8 Rewrite 2-Digit Addition
4.9 Problem Solving Addition
4.10 Algebra * Write Equations to Represent Addition
4.11 Algebra * Find Sums for 3-Digit Addends
4.12 Algebra * Find Sums for 4-Digit Addends
Use place value understanding and properties of operations to add and subtract.
4.1 Break Apart Ones to Add
4.2 Use Compensation
4.3 Break Apart Addends as Tens and Ones
4.4 Model Regrouping for Addition
4.5 Model and Record 2-Digit Addition
4.6 2-Digit Addition
4.7 Practice 2-Digit Addition
4.8 Rewrite 2-Digit Addition
4.9 Problem Solving Addition
4.10 Algebra * Write Equations to Represent Addition
4.11 Algebra * Find Sums for 3-Digit Addends
4.12 Algebra * Find Sums for 4-Digit Addends