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
95 − 10 = ______
79 − 10 = ______
67 + 20 = ______
70 − 10 = ______
67 − 10 = ______
29 + 10 = ______
88 + 20 = ______
62 + 10 = ______
38 + 10 = ______
4 × 10 = ______
87 − 10 = ______
82 + 10 = ______
71 − 10 = ______
8 × 10 = ______
46 + 20 = ______
21 + 10 = ______
84 + 20 = ______
83 − 10 = ______
73 + 20 = ______
70 + 10 = ______
