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
58 + 20 = ______
58 − 10 = ______
64 + 10 = ______
21 − 10 = ______
41 + 10 = ______
77 + 10 = ______
24 − 10 = ______
24 + 20 = ______
26 + 20 = ______
59 + 10 = ______
47 − 10 = ______
2 × 10 = ______
63 − 10 = ______
55 + 20 = ______
60 + 10 = ______
1 × 10 = ______
28 + 10 = ______
48 + 10 = ______
52 + 20 = ______
6 × 10 = ______
