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
82 + 20 = ______
47 + 20 = ______
62 − 10 = ______
35 − 10 = ______
6 × 10 = ______
43 + 20 = ______
88 − 10 = ______
80 − 10 = ______
5 × 10 = ______
45 − 10 = ______
21 + 20 = ______
13 + 10 = ______
73 + 10 = ______
55 + 20 = ______
22 − 10 = ______
7 × 10 = ______
75 − 10 = ______
74 + 20 = ______
81 + 10 = ______
70 + 20 = ______
