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
30 − 10 = ______
35 + 20 = ______
17 + 20 = ______
47 − 10 = ______
64 − 10 = ______
53 + 10 = ______
63 + 20 = ______
30 + 10 = ______
32 + 10 = ______
14 + 10 = ______
44 + 10 = ______
78 + 10 = ______
27 + 20 = ______
86 − 10 = ______
6 × 10 = ______
21 + 20 = ______
69 − 10 = ______
58 + 20 = ______
94 − 10 = ______
75 + 10 = ______
