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
80 − 10 = ______
55 + 10 = ______
46 + 10 = ______
47 − 10 = ______
62 − 10 = ______
8 × 10 = ______
13 + 10 = ______
41 + 10 = ______
65 + 20 = ______
11 + 20 = ______
56 − 10 = ______
94 − 10 = ______
2 × 10 = ______
78 − 10 = ______
88 + 20 = ______
4 × 10 = ______
65 + 10 = ______
46 − 10 = ______
43 + 20 = ______
51 + 20 = ______
