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
8 × 10 = ______
9 × 10 = ______
88 + 20 = ______
21 + 10 = ______
7 × 10 = ______
78 + 20 = ______
5 × 10 = ______
76 − 10 = ______
2 × 10 = ______
11 + 20 = ______
67 + 20 = ______
70 + 20 = ______
67 + 10 = ______
43 − 10 = ______
68 − 10 = ______
87 + 20 = ______
27 + 10 = ______
64 + 10 = ______
95 − 10 = ______
38 + 20 = ______
