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
84 + 20 = ______
66 + 10 = ______
47 − 10 = ______
12 + 10 = ______
55 + 10 = ______
77 − 10 = ______
63 − 10 = ______
5 × 10 = ______
45 − 10 = ______
29 + 10 = ______
48 + 10 = ______
62 − 10 = ______
6 × 10 = ______
24 + 10 = ______
17 + 10 = ______
60 + 10 = ______
41 + 10 = ______
75 + 10 = ______
61 + 10 = ______
61 − 10 = ______
