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
70 + 20 = ______
8 × 10 = ______
78 + 20 = ______
31 + 10 = ______
3 × 10 = ______
81 − 10 = ______
54 + 10 = ______
68 − 10 = ______
59 + 10 = ______
89 − 10 = ______
6 × 10 = ______
40 + 20 = ______
24 − 10 = ______
98 − 10 = ______
82 + 10 = ______
92 − 10 = ______
88 + 10 = ______
48 + 10 = ______
7 × 10 = ______
60 − 10 = ______
