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
80 + 10 = ______
25 + 10 = ______
47 + 20 = ______
2 × 10 = ______
3 × 10 = ______
4 × 10 = ______
70 + 10 = ______
96 − 10 = ______
28 − 10 = ______
23 + 20 = ______
55 + 20 = ______
52 + 20 = ______
79 + 20 = ______
46 + 20 = ______
56 + 10 = ______
35 + 20 = ______
82 + 20 = ______
41 − 10 = ______
5 × 10 = ______
53 + 20 = ______
