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
79 − 10 = ______
5 × 10 = ______
36 + 10 = ______
78 + 10 = ______
3 × 10 = ______
59 + 10 = ______
44 + 10 = ______
11 + 10 = ______
40 + 10 = ______
88 + 10 = ______
8 × 10 = ______
85 + 20 = ______
57 − 10 = ______
6 × 10 = ______
81 + 20 = ______
55 + 10 = ______
43 − 10 = ______
84 + 10 = ______
78 + 20 = ______
23 + 20 = ______
