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
31 − 10 = ______
13 + 20 = ______
21 − 10 = ______
34 + 10 = ______
89 − 10 = ______
6 × 10 = ______
45 − 10 = ______
60 + 20 = ______
13 + 10 = ______
42 + 20 = ______
35 − 10 = ______
20 + 10 = ______
41 + 20 = ______
8 × 10 = ______
5 × 10 = ______
43 + 10 = ______
2 × 10 = ______
54 + 10 = ______
86 + 20 = ______
22 + 10 = ______
