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
8 × 10 = ______
2 × 10 = ______
15 + 20 = ______
84 + 10 = ______
68 + 10 = ______
86 + 20 = ______
81 + 20 = ______
1 × 10 = ______
69 + 10 = ______
61 + 20 = ______
31 − 10 = ______
33 + 10 = ______
79 + 20 = ______
52 − 10 = ______
78 + 20 = ______
60 − 10 = ______
6 × 10 = ______
9 × 10 = ______
57 + 10 = ______
68 − 10 = ______
