Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
50 − 10 = ______
71 + 20 = ______
32 + 10 = ______
5 × 10 = ______
48 + 10 = ______
39 − 10 = ______
23 + 10 = ______
41 + 20 = ______
35 − 10 = ______
7 × 10 = ______
80 + 10 = ______
88 − 10 = ______
8 × 10 = ______
39 + 20 = ______
69 + 10 = ______
42 + 10 = ______
4 × 10 = ______
6 × 10 = ______
87 + 10 = ______
45 − 10 = ______
