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
72 + 10 = ______
3 × 10 = ______
83 + 20 = ______
81 + 20 = ______
73 + 20 = ______
79 − 10 = ______
5 × 10 = ______
51 − 10 = ______
42 + 20 = ______
59 + 10 = ______
6 × 10 = ______
21 + 20 = ______
56 − 10 = ______
33 + 20 = ______
22 + 10 = ______
91 − 10 = ______
67 + 10 = ______
72 − 10 = ______
68 + 20 = ______
45 + 10 = ______
