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
21 + 10 = ______
6 × 10 = ______
41 − 10 = ______
33 − 10 = ______
29 + 10 = ______
43 + 10 = ______
62 + 20 = ______
68 + 10 = ______
8 × 10 = ______
13 + 20 = ______
85 + 10 = ______
3 × 10 = ______
71 + 20 = ______
16 + 20 = ______
47 + 20 = ______
78 + 10 = ______
7 × 10 = ______
72 − 10 = ______
40 − 10 = ______
17 + 10 = ______
