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
2 × 10 = ______
3 × 10 = ______
71 + 10 = ______
77 − 10 = ______
45 + 20 = ______
29 − 10 = ______
8 × 10 = ______
22 + 20 = ______
58 + 20 = ______
21 − 10 = ______
57 + 10 = ______
74 + 20 = ______
69 + 10 = ______
73 + 10 = ______
34 + 20 = ______
65 + 10 = ______
21 + 10 = ______
91 − 10 = ______
77 + 10 = ______
63 + 10 = ______
