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
18 + 20 = ______
57 + 20 = ______
86 + 10 = ______
69 + 10 = ______
80 + 20 = ______
4 × 10 = ______
71 + 20 = ______
82 + 20 = ______
34 + 20 = ______
24 + 10 = ______
39 − 10 = ______
8 × 10 = ______
32 + 20 = ______
56 + 10 = ______
28 + 10 = ______
42 + 20 = ______
23 + 10 = ______
2 × 10 = ______
19 + 10 = ______
65 − 10 = ______
