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