The purpose of this lesson is to introduce the unit of whole numbers and to activate prior knowledge.
Included is a YouTube video to support Grade 4 Blended Learning Math - Unit 2.0: Whole Numbers - Introduction.
The purpose of this lesson is to explore estimating sums.
Included is a YouTube video to support Grade 5 Blended Learning Math - Unit 2.4: Whole Numbers - Estimating Sums.
The purpose of this lesson is to explore strategies for estimating differences.
Included is a YouTube video to support Grade 5 Blended Learning Math - Unit 2.6: Whole Numbers - Estimating Differences.
The purpose of this lesson is to review estimation strategies and use them to help check answers - (front-end rounding, using benchmarks to help with rounding, compensation, compatible numbers)
Included is a YouTube video to support Grade 5 Blended Learning Math - Unit 2.7: Whole Numbers - Estimating to Check Answers.
The purpose of this lesson is to explore subtracting decimals.
Included is a YouTube video to support Grade 5 Blended Learning Math - Unit 5.12: Fractions and Decimals - Subtracting Decimals.