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
11 + 10 = ______
87 + 10 = ______
47 + 10 = ______
7 × 10 = ______
12 + 10 = ______
62 + 10 = ______
11 + 20 = ______
38 + 20 = ______
4 × 10 = ______
84 + 10 = ______
9 × 10 = ______
48 + 20 = ______
32 + 20 = ______
72 + 10 = ______
59 + 10 = ______
54 − 10 = ______
60 + 20 = ______
58 + 10 = ______
49 + 20 = ______
81 + 20 = ______