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
71 − 10 = ______
9 × 10 = ______
13 + 20 = ______
8 × 10 = ______
81 + 10 = ______
83 − 10 = ______
88 + 10 = ______
14 + 10 = ______
40 + 10 = ______
18 + 20 = ______
70 + 10 = ______
80 + 20 = ______
7 × 10 = ______
49 + 20 = ______
12 + 20 = ______
17 + 10 = ______
1 × 10 = ______
2 × 10 = ______
38 − 10 = ______
31 − 10 = ______
