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
42 + 20 = ______
3 × 10 = ______
6 × 10 = ______
1 × 10 = ______
62 + 20 = ______
95 − 10 = ______
7 × 10 = ______
58 + 10 = ______
31 − 10 = ______
57 + 20 = ______
67 − 10 = ______
88 + 10 = ______
44 − 10 = ______
38 + 20 = ______
8 × 10 = ______
5 × 10 = ______
27 − 10 = ______
62 + 10 = ______
97 − 10 = ______
83 − 10 = ______
