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
70 − 10 = ______
63 − 10 = ______
87 + 20 = ______
56 + 10 = ______
38 + 20 = ______
43 − 10 = ______
13 + 10 = ______
68 + 10 = ______
8 × 10 = ______
7 × 10 = ______
73 − 10 = ______
84 + 20 = ______
5 × 10 = ______
6 × 10 = ______
90 − 10 = ______
58 + 10 = ______
85 − 10 = ______
62 + 20 = ______
44 + 10 = ______
76 + 20 = ______
