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 = ______
56 − 10 = ______
2 × 10 = ______
18 + 10 = ______
97 − 10 = ______
42 + 20 = ______
58 − 10 = ______
4 × 10 = ______
30 − 10 = ______
11 + 10 = ______
17 + 20 = ______
74 − 10 = ______
30 + 10 = ______
34 − 10 = ______
49 + 20 = ______
71 − 10 = ______
60 − 10 = ______
1 × 10 = ______
84 + 10 = ______
66 + 10 = ______
