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
22 − 10 = ______
6 × 10 = ______
83 − 10 = ______
1 × 10 = ______
62 + 20 = ______
23 + 20 = ______
4 × 10 = ______
68 − 10 = ______
79 + 10 = ______
57 − 10 = ______
47 + 10 = ______
24 − 10 = ______
75 − 10 = ______
85 − 10 = ______
19 + 10 = ______
3 × 10 = ______
5 × 10 = ______
2 × 10 = ______
79 + 20 = ______
12 + 20 = ______
