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
88 + 20 = ______
35 − 10 = ______
63 + 20 = ______
75 + 20 = ______
82 − 10 = ______
59 + 20 = ______
20 + 20 = ______
8 × 10 = ______
68 + 20 = ______
12 + 20 = ______
65 − 10 = ______
22 − 10 = ______
81 + 10 = ______
25 − 10 = ______
37 − 10 = ______
62 + 20 = ______
6 × 10 = ______
3 × 10 = ______
70 + 20 = ______
38 + 20 = ______
