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
69 + 10 = ______
25 + 10 = ______
68 + 10 = ______
4 × 10 = ______
25 + 20 = ______
82 + 10 = ______
67 − 10 = ______
1 × 10 = ______
52 − 10 = ______
36 + 20 = ______
79 + 20 = ______
7 × 10 = ______
22 + 20 = ______
52 + 20 = ______
66 + 10 = ______
8 × 10 = ______
71 + 10 = ______
11 + 20 = ______
59 − 10 = ______
87 + 10 = ______
