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
59 + 10 = ______
7 × 10 = ______
14 + 20 = ______
74 + 10 = ______
75 + 20 = ______
31 + 10 = ______
22 + 10 = ______
12 + 10 = ______
2 × 10 = ______
26 − 10 = ______
5 × 10 = ______
68 + 20 = ______
43 − 10 = ______
39 − 10 = ______
51 + 20 = ______
6 × 10 = ______
78 + 20 = ______
53 − 10 = ______
13 + 10 = ______
60 − 10 = ______
