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
14 + 10 = ______
2 × 10 = ______
5 × 10 = ______
71 − 10 = ______
45 + 20 = ______
70 − 10 = ______
76 + 20 = ______
31 + 20 = ______
6 × 10 = ______
89 + 10 = ______
12 + 20 = ______
70 + 10 = ______
82 − 10 = ______
36 + 10 = ______
67 + 10 = ______
4 × 10 = ______
73 − 10 = ______
77 − 10 = ______
60 + 20 = ______
47 + 10 = ______
