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
76 + 20 = ______
26 − 10 = ______
21 − 10 = ______
22 + 10 = ______
47 − 10 = ______
17 + 10 = ______
94 − 10 = ______
68 − 10 = ______
73 + 10 = ______
40 + 10 = ______
84 + 20 = ______
38 + 20 = ______
88 − 10 = ______
9 × 10 = ______
57 − 10 = ______
93 − 10 = ______
18 + 10 = ______
82 + 20 = ______
84 + 10 = ______
63 − 10 = ______
