# Digit Sums

Contributor(s): Javier Haro, Spencer Bowen

Math Circles: JRMF Math Circle

- Activity Description
- Topics Covered
- Session Styles
- Mathematical Practices

In these puzzles, there are circles with numbers and empty circles. The goal is to put whole numbers in empty circles so that each circle has the sum of the digits of numbers connected to it. This is done by adding all the digits you see of each number (the digits of 18 are 1 and 8).

## Activity Handouts

# Google Drive Folder

Click on a handout to open it on Google Drive. All files are “View Only” meaning to have an editable copy, go to “File -> Make a Copy” or you can use the button below to download all files.