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
35 − 10 = ______
4 × 10 = ______
74 + 10 = ______
7 × 10 = ______
68 − 10 = ______
85 − 10 = ______
63 + 20 = ______
69 + 20 = ______
63 − 10 = ______
88 − 10 = ______
39 + 20 = ______
38 − 10 = ______
85 + 20 = ______
14 + 20 = ______
9 × 10 = ______
2 × 10 = ______
52 + 10 = ______
68 + 10 = ______
21 + 10 = ______
55 + 20 = ______
