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
9 × 10 = ______
99 − 10 = ______
6 × 10 = ______
80 + 10 = ______
57 + 20 = ______
67 + 10 = ______
23 − 10 = ______
95 − 10 = ______
86 + 10 = ______
29 + 20 = ______
87 + 20 = ______
8 × 10 = ______
29 + 10 = ______
72 + 10 = ______
35 + 20 = ______
11 + 10 = ______
52 + 20 = ______
63 + 10 = ______
31 − 10 = ______
75 − 10 = ______
