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
69 + 10 = ______
34 + 20 = ______
63 − 10 = ______
26 + 20 = ______
6 × 10 = ______
13 + 10 = ______
41 − 10 = ______
76 + 20 = ______
97 − 10 = ______
45 + 10 = ______
91 − 10 = ______
1 × 10 = ______
28 + 10 = ______
5 × 10 = ______
79 − 10 = ______
85 + 10 = ______
62 + 20 = ______
29 − 10 = ______
78 − 10 = ______
43 + 20 = ______
