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
49 + 20 = ______
52 + 10 = ______
85 + 10 = ______
55 + 10 = ______
2 × 10 = ______
6 × 10 = ______
11 + 20 = ______
63 + 20 = ______
17 + 10 = ______
29 − 10 = ______
33 + 20 = ______
62 + 10 = ______
11 + 10 = ______
73 + 10 = ______
38 + 20 = ______
47 + 20 = ______
38 + 10 = ______
3 × 10 = ______
69 + 20 = ______
67 + 20 = ______
