Open Middle®
Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a correct equation. Source: Stephen Cox
Read More »
© 2016-2024 Open Middle Partnership. All rights reserved. Open Middle is the registered trademark of the Open Middle Partnership.
Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.