Sums of Mixed Numbers: Split the Addition

Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  

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CCSS: Adaptable
Instructional Ideas

  • Have stretch paper available for pupils to work each problem out, encourage them to use their notes as needed 
  • Send the link home for practice, direct learners to answer the discussion question on paper or a blog post 
  • Have the link open on a set of computers, invite participants to complete the interactive as a May Do activity when they finish tasks early 
Classroom Considerations

  • Remind learners to reset the tool between problems 
  • Create a free CK-12 account prior to assigning the interactive 
  • Class members should be familiar with adding mixed numbers and reducing fractions 

  • Hints and additional information are provided on each question slide 
  • Correct answers appear after participants choose their response 

  • The tool does not split the fraction circle into equal parts or change whole numbers to match those that are on each question