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
22 − 10 = ______
19 + 20 = ______
55 + 10 = ______
15 + 10 = ______
11 + 20 = ______
84 + 10 = ______
8 × 10 = ______
66 − 10 = ______
58 − 10 = ______
61 + 20 = ______
7 × 10 = ______
70 + 20 = ______
65 + 10 = ______
70 + 10 = ______
33 − 10 = ______
68 + 10 = ______
43 − 10 = ______
88 + 20 = ______
35 + 10 = ______
89 + 20 = ______
