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
65 + 20 = ______
98 − 10 = ______
6 × 10 = ______
72 − 10 = ______
54 + 10 = ______
54 + 20 = ______
83 + 20 = ______
81 − 10 = ______
39 − 10 = ______
82 + 20 = ______
75 + 10 = ______
1 × 10 = ______
45 − 10 = ______
22 + 20 = ______
4 × 10 = ______
86 + 20 = ______
87 + 20 = ______
62 + 20 = ______
88 − 10 = ______
33 − 10 = ______
