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
81 − 10 = ______
1 × 10 = ______
59 + 20 = ______
39 + 10 = ______
14 + 20 = ______
63 + 20 = ______
76 + 20 = ______
46 + 10 = ______
32 + 20 = ______
73 + 10 = ______
15 + 10 = ______
8 × 10 = ______
3 × 10 = ______
53 + 10 = ______
6 × 10 = ______
75 + 10 = ______
57 − 10 = ______
39 + 20 = ______
70 + 10 = ______
43 + 10 = ______
