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
63 + 20 = ______
4 × 10 = ______
82 − 10 = ______
85 − 10 = ______
52 + 20 = ______
38 − 10 = ______
60 + 20 = ______
53 + 10 = ______
91 − 10 = ______
42 − 10 = ______
34 + 10 = ______
11 + 10 = ______
15 + 10 = ______
5 × 10 = ______
43 + 20 = ______
74 − 10 = ______
66 + 20 = ______
1 × 10 = ______
34 − 10 = ______
29 − 10 = ______
