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
1 × 10 = ______
69 + 20 = ______
75 − 10 = ______
70 − 10 = ______
64 − 10 = ______
2 × 10 = ______
8 × 10 = ______
38 + 10 = ______
14 + 10 = ______
25 − 10 = ______
52 + 20 = ______
25 + 20 = ______
61 − 10 = ______
78 + 10 = ______
78 − 10 = ______
85 − 10 = ______
6 × 10 = ______
7 × 10 = ______
39 − 10 = ______
4 × 10 = ______