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
25 + 20 = ______
7 × 10 = ______
78 − 10 = ______
39 + 10 = ______
75 + 20 = ______
51 − 10 = ______
26 + 10 = ______
74 + 10 = ______
45 − 10 = ______
20 + 10 = ______
53 + 10 = ______
1 × 10 = ______
84 + 10 = ______
38 + 20 = ______
47 − 10 = ______
4 × 10 = ______
3 × 10 = ______
66 + 10 = ______
84 − 10 = ______
27 − 10 = ______
