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
63 + 10 = ______
42 + 20 = ______
14 + 10 = ______
55 − 10 = ______
74 + 20 = ______
43 − 10 = ______
5 × 10 = ______
8 × 10 = ______
56 + 10 = ______
47 + 20 = ______
64 + 20 = ______
35 − 10 = ______
76 − 10 = ______
41 + 10 = ______
1 × 10 = ______
62 − 10 = ______
7 × 10 = ______
93 − 10 = ______
75 − 10 = ______
63 + 20 = ______
