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
17 + 20 = ______
29 + 10 = ______
97 − 10 = ______
39 + 10 = ______
61 + 20 = ______
85 + 20 = ______
84 − 10 = ______
8 × 10 = ______
65 + 20 = ______
57 − 10 = ______
6 × 10 = ______
70 + 10 = ______
73 + 10 = ______
12 + 10 = ______
69 − 10 = ______
25 + 20 = ______
98 − 10 = ______
40 − 10 = ______
7 × 10 = ______
4 × 10 = ______
