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
34 + 10 = ______
91 − 10 = ______
80 + 20 = ______
89 + 20 = ______
8 × 10 = ______
84 + 10 = ______
38 + 20 = ______
23 + 10 = ______
81 − 10 = ______
1 × 10 = ______
9 × 10 = ______
2 × 10 = ______
59 − 10 = ______
13 + 10 = ______
56 − 10 = ______
71 + 10 = ______
25 + 20 = ______
65 + 20 = ______
64 − 10 = ______
77 − 10 = ______
