Topic 11: Three-Digit Addition and Subtraction
HSC Topic 11.pdf
Home-School Connection Letter
Lessons:
11-1: Exploring Adding Three-Digit Numbers
11-2: Mental Math
11-3: Estimating Sums
11-4: Models for Adding with Three-Digit Numbers
11-5: Adding Three-Digit Numbers
11-6: Exploring Subtracting Three-Digit Numbers
11-7: Mental Math: Ways to Find Missing Parts
11-8: Estimating Differences
11-9: Models for Subtracting with Three-Digit Numbers
11-10: Subtracting Three-Digit Numbers
11-11: Problem Solving: Use Logical Reasoning