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
7 × 10 = ______
6 × 10 = ______
25 − 10 = ______
30 + 20 = ______
62 + 10 = ______
4 × 10 = ______
81 + 20 = ______
33 + 10 = ______
42 + 20 = ______
87 + 10 = ______
35 + 20 = ______
39 + 10 = ______
40 + 10 = ______
80 + 10 = ______
66 + 20 = ______
77 + 20 = ______
38 − 10 = ______
74 + 20 = ______
68 + 10 = ______
1 × 10 = ______
