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
89 + 10 = ______
88 − 10 = ______
87 − 10 = ______
53 − 10 = ______
2 × 10 = ______
6 × 10 = ______
22 + 20 = ______
61 + 20 = ______
29 + 10 = ______
24 − 10 = ______
1 × 10 = ______
80 − 10 = ______
74 + 10 = ______
42 − 10 = ______
80 + 10 = ______
72 + 20 = ______
29 + 20 = ______
54 + 20 = ______
31 − 10 = ______
7 × 10 = ______