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
7 × 10 = ______
41 + 20 = ______
86 + 10 = ______
25 − 10 = ______
17 + 20 = ______
43 + 10 = ______
45 + 20 = ______
18 + 10 = ______
83 + 10 = ______
37 + 10 = ______
68 + 10 = ______
22 − 10 = ______
27 + 10 = ______
57 − 10 = ______
67 + 10 = ______
37 − 10 = ______
14 + 20 = ______
89 + 20 = ______
86 − 10 = ______
56 + 20 = ______
