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
87 + 10 = ______
31 + 20 = ______
8 × 10 = ______
93 − 10 = ______
99 − 10 = ______
2 × 10 = ______
60 + 20 = ______
3 × 10 = ______
6 × 10 = ______
75 − 10 = ______
72 + 20 = ______
85 + 20 = ______
38 + 10 = ______
47 + 20 = ______
90 − 10 = ______
74 + 20 = ______
32 + 20 = ______
68 − 10 = ______
54 + 10 = ______
80 + 10 = ______
