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
2 × 10 = ______
9 × 10 = ______
46 + 10 = ______
51 + 10 = ______
71 + 10 = ______
45 + 10 = ______
63 + 10 = ______
42 + 10 = ______
94 − 10 = ______
6 × 10 = ______
84 + 10 = ______
73 + 10 = ______
85 − 10 = ______
75 + 10 = ______
51 − 10 = ______
65 − 10 = ______
42 − 10 = ______
18 + 20 = ______
76 + 10 = ______
81 + 10 = ______
