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
7 × 10 = ______
80 + 20 = ______
52 + 20 = ______
60 − 10 = ______
81 − 10 = ______
84 − 10 = ______
12 + 20 = ______
38 + 10 = ______
65 + 10 = ______
62 + 20 = ______
15 + 20 = ______
60 + 10 = ______
45 + 10 = ______
6 × 10 = ______
40 − 10 = ______
4 × 10 = ______
67 + 20 = ______
47 + 10 = ______
50 − 10 = ______
26 + 10 = ______
