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
30 − 10 = ______
21 + 20 = ______
68 + 10 = ______
53 + 20 = ______
57 + 20 = ______
31 + 10 = ______
35 + 10 = ______
28 − 10 = ______
29 − 10 = ______
18 + 20 = ______
58 + 10 = ______
83 − 10 = ______
6 × 10 = ______
52 + 10 = ______
54 + 10 = ______
45 + 10 = ______
1 × 10 = ______
85 + 20 = ______
95 − 10 = ______
45 − 10 = ______
