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
82 + 20 = ______
67 + 10 = ______
15 + 20 = ______
28 + 20 = ______
62 + 10 = ______
95 − 10 = ______
1 × 10 = ______
48 + 20 = ______
7 × 10 = ______
23 − 10 = ______
94 − 10 = ______
51 − 10 = ______
83 + 20 = ______
87 − 10 = ______
36 + 10 = ______
65 + 10 = ______
77 + 20 = ______
8 × 10 = ______
79 + 20 = ______
83 − 10 = ______
