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
98 − 10 = ______
22 − 10 = ______
61 − 10 = ______
8 × 10 = ______
24 + 20 = ______
38 + 20 = ______
89 − 10 = ______
45 − 10 = ______
97 − 10 = ______
40 − 10 = ______
79 + 20 = ______
55 + 20 = ______
82 + 20 = ______
67 + 10 = ______
66 − 10 = ______
54 + 10 = ______
9 × 10 = ______
28 + 20 = ______
30 − 10 = ______
86 − 10 = ______
