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
65 − 10 = ______
24 + 10 = ______
2 × 10 = ______
41 + 20 = ______
41 + 10 = ______
24 − 10 = ______
22 + 20 = ______
89 + 10 = ______
3 × 10 = ______
65 + 20 = ______
58 − 10 = ______
7 × 10 = ______
47 − 10 = ______
24 + 20 = ______
54 − 10 = ______
5 × 10 = ______
52 + 20 = ______
8 × 10 = ______
29 − 10 = ______
75 + 20 = ______
