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Lesson Plan

Illustrative Mathematics: Salad Dressing

Curated by ACT

The purpose of this task is to have students add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of addition as joining two separate quantities. Additionally, the context presents a "how many groups" division problem where a unit fraction should be divided into 6 equal groups. Aligns with 5.NF.A.2.

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CCSS: Adaptable
Concepts
adding fractions, fractions, measurement
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Additional Tags
conversion of measurement units, fraction operations, ratio reasoning, unlike denominators, 5.nf.a.2, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, creative commons, illustrative mathematics, illustrative mathematics: salad dressing, denominator
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Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
5.NF.B.7.c 5.NF.B.5.b