DLC Blended Learning Math 4 - Unit 2.9: Whole Numbers - Using Mental Math to Subtract
DLC Blended Learning Math 4 - Unit 2.9: Whole Numbers - Using Mental Math to Subtract
The purpose of this lesson is to use personal strategies to mentally subtract 3 and 4-digit numbers.
Included is a YouTube video to support Grade 4 Blended Learning Math - Unit 2.9: Whole Numbers - Using Mental Math to Subtract.