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
47 + 20 = ______
5 × 10 = ______
74 + 10 = ______
48 − 10 = ______
55 + 20 = ______
35 − 10 = ______
43 − 10 = ______
2 × 10 = ______
81 + 20 = ______
45 + 10 = ______
53 + 20 = ______
37 + 10 = ______
68 − 10 = ______
44 + 10 = ______
21 + 20 = ______
66 + 10 = ______
63 + 10 = ______
24 − 10 = ______
65 + 10 = ______
23 + 10 = ______
