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
46 + 10 = ______
78 + 10 = ______
6 × 10 = ______
1 × 10 = ______
2 × 10 = ______
62 − 10 = ______
9 × 10 = ______
48 − 10 = ______
69 + 20 = ______
15 + 20 = ______
89 − 10 = ______
14 + 20 = ______
12 + 10 = ______
51 − 10 = ______
53 + 20 = ______
84 − 10 = ______
53 + 10 = ______
7 × 10 = ______
58 − 10 = ______
69 + 10 = ______
