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
55 + 20 = ______
50 − 10 = ______
74 − 10 = ______
7 × 10 = ______
41 + 10 = ______
29 + 10 = ______
86 + 20 = ______
14 + 10 = ______
38 + 20 = ______
73 − 10 = ______
89 − 10 = ______
62 + 10 = ______
75 − 10 = ______
66 + 10 = ______
82 + 20 = ______
44 + 10 = ______
1 × 10 = ______
61 − 10 = ______
90 − 10 = ______
22 − 10 = ______
