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
6 × 10 = ______
65 + 10 = ______
75 + 20 = ______
88 − 10 = ______
9 × 10 = ______
32 + 10 = ______
54 + 10 = ______
68 + 20 = ______
15 + 20 = ______
89 + 20 = ______
82 + 10 = ______
47 + 20 = ______
2 × 10 = ______
3 × 10 = ______
24 + 10 = ______
70 + 20 = ______
31 + 20 = ______
69 + 10 = ______
62 + 10 = ______
34 + 20 = ______
