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
40 + 10 = ______
59 − 10 = ______
6 × 10 = ______
97 − 10 = ______
2 × 10 = ______
75 + 10 = ______
49 + 20 = ______
7 × 10 = ______
59 + 20 = ______
72 − 10 = ______
44 − 10 = ______
51 + 20 = ______
49 − 10 = ______
33 + 20 = ______
48 − 10 = ______
74 + 10 = ______
31 − 10 = ______
67 + 20 = ______
81 + 20 = ______
75 − 10 = ______
