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
9 × 10 = ______
2 × 10 = ______
7 × 10 = ______
62 + 20 = ______
58 + 20 = ______
3 × 10 = ______
95 − 10 = ______
76 + 10 = ______
31 − 10 = ______
6 × 10 = ______
51 − 10 = ______
45 + 10 = ______
65 − 10 = ______
85 + 10 = ______
99 − 10 = ______
64 + 20 = ______
46 + 20 = ______
38 − 10 = ______
48 + 20 = ______
21 + 20 = ______
