Curated OER
Mental Addition of 3 Numbers pg. 2
Mental math is a wonderful skill for learners to hone. In this mental math addition instructional activity, students apply addition fact family strategies to find the sum. Learners solve 16 problems.
Primary Resources
Primary Resources: Doubling and Halving
Great teacher resources for helping students learn how to double or halve numbers quickly. Includes worksheets, PowerPoint presentations, and classroom games.