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
6 × 10 = ______
39 + 10 = ______
78 − 10 = ______
37 + 20 = ______
39 + 20 = ______
70 − 10 = ______
58 − 10 = ______
35 + 20 = ______
3 × 10 = ______
28 − 10 = ______
38 + 10 = ______
55 − 10 = ______
1 × 10 = ______
59 − 10 = ______
65 + 10 = ______
31 + 20 = ______
47 − 10 = ______
76 + 20 = ______
9 × 10 = ______
97 − 10 = ______
