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
28 − 10 = ______
85 + 20 = ______
23 − 10 = ______
18 + 10 = ______
3 × 10 = ______
69 + 20 = ______
74 + 10 = ______
77 + 20 = ______
5 × 10 = ______
34 + 10 = ______
63 − 10 = ______
44 + 10 = ______
34 + 20 = ______
38 + 10 = ______
60 + 10 = ______
97 − 10 = ______
84 + 20 = ______
85 − 10 = ______
78 − 10 = ______
55 − 10 = ______
