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
66 + 10 = ______
22 + 10 = ______
87 + 10 = ______
5 × 10 = ______
47 + 10 = ______
37 + 10 = ______
12 + 10 = ______
67 + 20 = ______
2 × 10 = ______
74 + 10 = ______
84 − 10 = ______
56 + 20 = ______
50 + 10 = ______
71 + 20 = ______
57 − 10 = ______
32 + 10 = ______
77 − 10 = ______
19 + 20 = ______
73 + 10 = ______
67 + 10 = ______
