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
19 + 20 = ______
29 + 10 = ______
5 × 10 = ______
67 − 10 = ______
98 − 10 = ______
50 + 10 = ______
27 + 20 = ______
83 + 10 = ______
7 × 10 = ______
38 − 10 = ______
64 − 10 = ______
9 × 10 = ______
60 + 10 = ______
8 × 10 = ______
66 + 10 = ______
20 + 20 = ______
72 − 10 = ______
43 − 10 = ______
40 + 10 = ______
12 + 10 = ______
