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Lesson Plan

4. Apply scaling down to a real-world situation (A)

teaches Common Core State Standards CCSS.Math.Content.5.NF.B.5
teaches Common Core State Standards CCSS.Math.Content.5.NF.B.5a
teaches Common Core State Standards CCSS.Math.Content.5.NF.B.5b
teaches Common Core State Standards CCSS.Math.Content.5.NF.B.6
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4
teaches Common Core State Standards CCSS.Math.Practice.MP6
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Lesson objective: Apply understanding of multiplication of fractions less than one to solve real-world problems.

This lesson provides an opportunity for students to apply their knowledge and understanding of multiplying fractions and whole numbers a to real-life situation. Students are asked to create recommendations for scaling down the length of track and the total height and drop of a roller coaster to make it an appropriate size for younger kids.

Key Concept students will use: 

  • scaling does not always make numbers larger

Skills students will use:

  • multiplication of whole numbers and fractions (Grade 4 Unit 11)

Students engage in Mathematical Practice 2 (reason abstractly and quantitatively) as they draw tape diagrams and write equations to interpret the situation of multiplying a number by a fraction less than one. 

Key vocabulary: 

  • dimensions
  • scaling
  • tape diagram


Related content

Appears in

Interpreting multiplying fractions as scaling

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