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
56 − 10 = ______
79 − 10 = ______
22 + 20 = ______
28 − 10 = ______
31 − 10 = ______
83 − 10 = ______
57 + 10 = ______
54 + 20 = ______
35 + 20 = ______
89 − 10 = ______
64 + 20 = ______
43 + 10 = ______
58 + 20 = ______
73 + 10 = ______
29 + 20 = ______
40 + 20 = ______
91 − 10 = ______
61 − 10 = ______
44 − 10 = ______
17 + 10 = ______
