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
78 + 20 = ______
59 + 10 = ______
52 + 10 = ______
13 + 20 = ______
76 + 20 = ______
82 − 10 = ______
79 + 10 = ______
79 − 10 = ______
73 + 20 = ______
1 × 10 = ______
36 + 20 = ______
37 + 20 = ______
33 + 10 = ______
8 × 10 = ______
67 + 20 = ______
81 + 10 = ______
25 + 20 = ______
88 + 20 = ______
96 − 10 = ______
46 − 10 = ______
