Subtracting Mixed Numbers

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create three different mixed numbers that will make the equation true. You may reuse the same numbers for each of the three mixed numbers.

Source: Robert Kaplinsky

Use This Problem

Embedded problems let you easily add Open Middle problems into your Canvas assignments, Google Classroom, and more. Customize which elements are shown, and watch it update live before adding it anywhere.

Give us feedback!

Mode

Default Interactive

Customization

Show title Show hint Show answer

Variation:

Allow annotations

Incorrect answer delay: 15s

Enable hints

Wrong answers before showing hints: 1

Add to Platform

Copy Embedding Code Add to Google Classroom Add to Microsoft Teams

Close