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
97 − 10 = ______
87 − 10 = ______
74 + 10 = ______
36 + 10 = ______
5 × 10 = ______
66 + 20 = ______
84 + 10 = ______
27 + 20 = ______
20 + 20 = ______
86 + 10 = ______
82 + 10 = ______
1 × 10 = ______
35 + 20 = ______
41 + 10 = ______
67 + 10 = ______
60 + 20 = ______
54 − 10 = ______
2 × 10 = ______
52 − 10 = ______
42 − 10 = ______
