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
3 × 10 = ______
15 + 20 = ______
81 + 10 = ______
43 − 10 = ______
57 + 10 = ______
60 + 10 = ______
48 + 20 = ______
6 × 10 = ______
89 + 10 = ______
41 + 20 = ______
69 − 10 = ______
69 + 10 = ______
78 + 10 = ______
28 + 10 = ______
56 + 10 = ______
36 + 20 = ______
71 + 10 = ______
87 − 10 = ______
35 + 10 = ______
81 + 20 = ______
