Countdown Challenge: Happy Numbers

In this happy numbers worksheet, students classify numbers as happy or unhappy. They determine the number is happy if the sum of each digit squared eventually ends in the number one. They indicate a number is unhappy if the sum of each digit squared creates an endless loop. This one-page worksheet contains 100 problems. Examples and explanations are included.

3 Views 3 Downloads
Resource Details

Grade
7th - 8th
Subjects
Math
1 more...
Resource Types
Worksheets
1 more...
Usage Permissions
Fine Print: Educational Use