Curated OER
More Addition in Your Head pg 1
Addition using mental math is the focus of this math worksheet. Learners solve two and three-digit number problems, and attempt to do so without the use of pencil and paper. Twenty problems are solved. Answers appear at the end of the...
Curated OER
Mental Addition of 3 Numbers pg. 2
Mental math is a wonderful skill for students to hone. In this mental math addition worksheet, students apply addition fact family strategies to find the sum. Students solve 16 problems.