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
64 − 10 = ______
49 + 20 = ______
55 + 10 = ______
47 + 20 = ______
65 + 20 = ______
53 + 10 = ______
14 + 10 = ______
21 + 20 = ______
6 × 10 = ______
1 × 10 = ______
83 + 20 = ______
81 + 10 = ______
22 + 10 = ______
74 + 10 = ______
5 × 10 = ______
48 + 10 = ______
16 + 10 = ______
93 − 10 = ______
3 × 10 = ______
88 + 20 = ______
