Sums of Integers with Different Signs: Adding Between 10 and -10

Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include multiple-choice, fill-in-the-blank, and discussion questions.   

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CCSS: Adaptable
Instructional Ideas

  • Encourage pupils to use their notes as well as scratch paper while they work 
  • Post question six on a classroom blog; instruct class members to answer the question in complete sentences and reply to at least one peer 
  • Direct learners to work on the interactive when they finish tasks early
Classroom Considerations

  • Access to the interactive requires a free account with CK-12
  • Participants should be familiar with adding integers with different signs 

  • Integers in the equation are color-coded to match the integers on the number line 
  • Scores and correct answers appear instantly
  • Clickable links offer additional information 


  • Depending on the size of the screen, positive and negative signs may be difficult to read
Common Core