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
78 + 20 = ______
22 + 10 = ______
2 × 10 = ______
6 × 10 = ______
1 × 10 = ______
4 × 10 = ______
41 − 10 = ______
5 × 10 = ______
30 − 10 = ______
65 − 10 = ______
24 + 10 = ______
79 + 20 = ______
93 − 10 = ______
98 − 10 = ______
53 − 10 = ______
42 + 10 = ______
57 + 20 = ______
13 + 20 = ______
85 − 10 = ______
86 − 10 = ______
