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
6 × 10 = ______
3 × 10 = ______
18 + 20 = ______
7 × 10 = ______
4 × 10 = ______
23 + 10 = ______
67 + 10 = ______
64 + 10 = ______
86 + 20 = ______
76 − 10 = ______
76 + 20 = ______
78 + 20 = ______
78 − 10 = ______
55 + 10 = ______
1 × 10 = ______
21 + 10 = ______
9 × 10 = ______
32 − 10 = ______
91 − 10 = ______
13 + 20 = ______
