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
35 + 20 = ______
72 + 20 = ______
81 − 10 = ______
9 × 10 = ______
43 + 20 = ______
74 − 10 = ______
12 + 10 = ______
6 × 10 = ______
33 + 10 = ______
31 + 10 = ______
78 − 10 = ______
18 + 10 = ______
21 + 10 = ______
8 × 10 = ______
2 × 10 = ______
70 − 10 = ______
21 − 10 = ______
7 × 10 = ______
67 − 10 = ______
58 − 10 = ______
