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
5 × 10 = ______
47 − 10 = ______
85 + 10 = ______
64 + 20 = ______
4 × 10 = ______
77 + 20 = ______
26 + 20 = ______
48 − 10 = ______
6 × 10 = ______
9 × 10 = ______
38 + 10 = ______
1 × 10 = ______
39 − 10 = ______
53 − 10 = ______
31 + 10 = ______
46 + 10 = ______
60 + 10 = ______
66 − 10 = ______
13 + 20 = ______
2 × 10 = ______