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
9 × 10 = ______
20 + 20 = ______
8 × 10 = ______
16 + 10 = ______
47 + 10 = ______
83 + 10 = ______
78 + 20 = ______
17 + 20 = ______
65 − 10 = ______
50 + 10 = ______
19 + 20 = ______
18 + 10 = ______
5 × 10 = ______
72 + 20 = ______
25 + 10 = ______
79 + 10 = ______
60 + 10 = ______
48 + 10 = ______
6 × 10 = ______
87 − 10 = ______
