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
84 + 10 = ______
53 + 20 = ______
74 + 10 = ______
81 − 10 = ______
85 + 10 = ______
3 × 10 = ______
53 + 10 = ______
33 + 20 = ______
39 − 10 = ______
47 − 10 = ______
22 − 10 = ______
50 − 10 = ______
29 + 20 = ______
8 × 10 = ______
44 + 20 = ______
16 + 20 = ______
27 + 20 = ______
2 × 10 = ______
61 + 10 = ______
27 − 10 = ______
