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
59 + 10 = ______
75 + 10 = ______
80 + 20 = ______
6 × 10 = ______
55 + 20 = ______
71 + 10 = ______
51 − 10 = ______
83 + 20 = ______
65 − 10 = ______
85 − 10 = ______
21 + 10 = ______
66 − 10 = ______
88 + 10 = ______
49 − 10 = ______
29 + 10 = ______
5 × 10 = ______
39 + 10 = ______
46 + 10 = ______
47 − 10 = ______
47 + 20 = ______
