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
45 + 10 = ______
99 − 10 = ______
15 + 20 = ______
8 × 10 = ______
53 − 10 = ______
7 × 10 = ______
3 × 10 = ______
33 − 10 = ______
5 × 10 = ______
47 + 10 = ______
1 × 10 = ______
68 − 10 = ______
46 + 10 = ______
13 + 20 = ______
71 − 10 = ______
93 − 10 = ______
85 + 20 = ______
19 + 10 = ______
44 + 20 = ______
75 + 20 = ______
