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
85 − 10 = ______
4 × 10 = ______
91 − 10 = ______
25 + 20 = ______
58 + 20 = ______
43 − 10 = ______
64 + 20 = ______
54 − 10 = ______
96 − 10 = ______
3 × 10 = ______
15 + 10 = ______
25 + 10 = ______
9 × 10 = ______
94 − 10 = ______
47 + 10 = ______
19 + 10 = ______
62 + 20 = ______
52 − 10 = ______
84 − 10 = ______
31 + 20 = ______