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
71 + 10 = ______
27 + 20 = ______
94 − 10 = ______
36 + 10 = ______
73 + 10 = ______
85 + 10 = ______
89 + 20 = ______
67 + 10 = ______
49 − 10 = ______
2 × 10 = ______
1 × 10 = ______
39 + 10 = ______
71 + 20 = ______
85 − 10 = ______
88 + 20 = ______
65 + 10 = ______
38 + 10 = ______
23 − 10 = ______
3 × 10 = ______
52 − 10 = ______
