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
68 + 10 = ______
46 − 10 = ______
21 − 10 = ______
92 − 10 = ______
33 + 10 = ______
6 × 10 = ______
63 + 20 = ______
14 + 20 = ______
71 − 10 = ______
53 + 20 = ______
34 + 20 = ______
62 + 10 = ______
73 + 20 = ______
15 + 20 = ______
75 − 10 = ______
2 × 10 = ______
5 × 10 = ______
88 + 20 = ______
43 + 10 = ______
27 + 20 = ______
