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
6 × 10 = ______
3 × 10 = ______
80 + 10 = ______
7 × 10 = ______
14 + 20 = ______
62 + 10 = ______
95 − 10 = ______
78 − 10 = ______
21 − 10 = ______
28 + 20 = ______
45 + 10 = ______
5 × 10 = ______
71 − 10 = ______
65 + 20 = ______
80 + 20 = ______
31 − 10 = ______
49 − 10 = ______
2 × 10 = ______
47 + 20 = ______
75 + 10 = ______
