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
3 × 10 = ______
37 + 20 = ______
80 + 10 = ______
9 × 10 = ______
47 + 10 = ______
31 + 10 = ______
23 + 20 = ______
5 × 10 = ______
28 + 20 = ______
11 + 10 = ______
67 − 10 = ______
1 × 10 = ______
29 − 10 = ______
6 × 10 = ______
34 + 20 = ______
25 + 20 = ______
61 + 20 = ______
85 − 10 = ______
13 + 20 = ______
83 − 10 = ______