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
39 + 20 = ______
79 − 10 = ______
29 + 10 = ______
53 + 20 = ______
7 × 10 = ______
19 + 20 = ______
9 × 10 = ______
57 − 10 = ______
52 − 10 = ______
53 − 10 = ______
3 × 10 = ______
30 − 10 = ______
96 − 10 = ______
93 − 10 = ______
4 × 10 = ______
55 − 10 = ______
6 × 10 = ______
47 + 20 = ______
61 + 20 = ______
20 + 20 = ______
