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
1 × 10 = ______
39 − 10 = ______
22 − 10 = ______
27 − 10 = ______
84 + 10 = ______
65 + 10 = ______
3 × 10 = ______
18 + 10 = ______
19 + 20 = ______
33 + 20 = ______
88 − 10 = ______
4 × 10 = ______
2 × 10 = ______
23 − 10 = ______
81 − 10 = ______
40 + 10 = ______
31 − 10 = ______
72 − 10 = ______
62 + 20 = ______
32 + 20 = ______
