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
68 + 20 = ______
63 + 20 = ______
1 × 10 = ______
76 − 10 = ______
81 + 20 = ______
21 − 10 = ______
52 + 10 = ______
59 − 10 = ______
61 − 10 = ______
63 − 10 = ______
83 + 20 = ______
60 + 10 = ______
6 × 10 = ______
67 − 10 = ______
33 − 10 = ______
86 + 20 = ______
8 × 10 = ______
44 + 10 = ______
12 + 10 = ______
67 + 20 = ______
