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
38 + 20 = ______
74 + 10 = ______
39 + 10 = ______
9 × 10 = ______
44 − 10 = ______
57 + 20 = ______
79 + 10 = ______
77 + 10 = ______
30 − 10 = ______
38 − 10 = ______
68 + 10 = ______
30 + 20 = ______
5 × 10 = ______
81 + 20 = ______
66 + 10 = ______
59 + 10 = ______
83 + 10 = ______
25 + 10 = ______
13 + 10 = ______
33 − 10 = ______
