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
59 + 20 = ______
87 + 20 = ______
33 + 20 = ______
3 × 10 = ______
55 + 10 = ______
44 − 10 = ______
88 + 20 = ______
5 × 10 = ______
64 + 10 = ______
76 + 10 = ______
38 − 10 = ______
57 + 10 = ______
84 − 10 = ______
40 + 20 = ______
71 + 20 = ______
50 + 10 = ______
9 × 10 = ______
79 + 10 = ______
91 − 10 = ______
25 + 10 = ______
