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
51 + 10 = ______
52 − 10 = ______
47 + 20 = ______
37 + 10 = ______
84 + 10 = ______
59 + 10 = ______
1 × 10 = ______
39 + 20 = ______
2 × 10 = ______
85 + 10 = ______
69 + 20 = ______
82 + 10 = ______
67 + 10 = ______
84 + 20 = ______
9 × 10 = ______
44 + 20 = ______
70 + 10 = ______
6 × 10 = ______
88 + 20 = ______
68 − 10 = ______
