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
3 × 10 = ______
43 − 10 = ______
6 × 10 = ______
42 + 20 = ______
99 − 10 = ______
53 + 10 = ______
21 + 10 = ______
80 + 20 = ______
69 + 10 = ______
13 + 20 = ______
63 − 10 = ______
89 − 10 = ______
57 − 10 = ______
48 + 20 = ______
9 × 10 = ______
52 + 10 = ______
85 + 10 = ______
45 − 10 = ______
25 − 10 = ______
62 − 10 = ______
