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
77 + 10 = ______
60 − 10 = ______
8 × 10 = ______
76 − 10 = ______
42 + 20 = ______
11 + 20 = ______
18 + 20 = ______
71 + 10 = ______
62 − 10 = ______
75 − 10 = ______
29 + 20 = ______
89 + 10 = ______
50 + 20 = ______
63 + 20 = ______
44 + 10 = ______
5 × 10 = ______
34 + 10 = ______
1 × 10 = ______
74 + 20 = ______
72 + 10 = ______
