Addition and Subtraction Strategies 1st Grade Math - Commutative and Associative Property
From Math & Learning Videos 4 Kids
5 min1stMath
Summary
An animated Mage Math lesson on addition and subtraction — joining amounts together and taking them away, made for grade 1. Bright 3-D animation walks kids through it with clear, worked examples they can pause and try.
Viewer safety
All ages
Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Talk about it
Addition and Subtraction Strategies 1st Grade Math - Commutative and Associative Property clicks once you see it worked out. Watch an example, then use these questions to make sure it stuck.
- What happens to the amount when you add? When you subtract?
- Can you show one problem from the video with objects or a drawing?
- How could you check that your answer is right?
Quick work-a-long
Vocabulary: add, subtract, sum, difference.
Try it: Pick one problem from the video. Solve it, then check it with the opposite operation.