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
12 + 20 = ______
74 + 10 = ______
72 + 20 = ______
9 × 10 = ______
45 + 20 = ______
45 + 10 = ______
71 + 20 = ______
26 − 10 = ______
8 × 10 = ______
45 − 10 = ______
39 + 10 = ______
5 × 10 = ______
77 + 20 = ______
37 + 10 = ______
23 + 10 = ______
7 × 10 = ______
2 × 10 = ______
42 − 10 = ______
90 − 10 = ______
75 + 20 = ______
