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 = ______
1 × 10 = ______
37 + 20 = ______
33 + 20 = ______
6 × 10 = ______
62 − 10 = ______
42 + 20 = ______
61 − 10 = ______
15 + 20 = ______
9 × 10 = ______
27 + 20 = ______
34 − 10 = ______
2 × 10 = ______
3 × 10 = ______
81 + 20 = ______
29 + 20 = ______
45 − 10 = ______
45 + 10 = ______
83 − 10 = ______
87 − 10 = ______
