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
87 − 10 = ______
59 + 20 = ______
7 × 10 = ______
91 − 10 = ______
61 + 20 = ______
4 × 10 = ______
25 + 10 = ______
73 + 20 = ______
62 + 20 = ______
59 − 10 = ______
24 − 10 = ______
78 − 10 = ______
29 + 20 = ______
3 × 10 = ______
15 + 20 = ______
21 − 10 = ______
69 − 10 = ______
45 + 10 = ______
53 + 20 = ______
8 × 10 = ______
