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Lesson Plan

5. Compare fractions to common benchmarks (0, half, and 1) (FP)

teaches Common Core State Standards CCSS.Math.Content.4.NF.A.2
teaches Common Core State Standards CCSS.Math.Practice.MP3
teaches Common Core State Standards CCSS.Math.Practice.MP4
teaches Common Core State Standards CCSS.Math.Practice.MP5
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Lesson objective: Compare fractions to common benchmarks of 0, half, or 1.

This lesson helps to build procedural skill with comparing fractions to a benchmark fraction. A number line is used here because it highlights a fraction's distance from the benchmark. This work develops students' understanding that fractions can be compared to a benchmark, and then the benchmark can be used to compare two or more fractions.

Students engage in Mathematical Practice 5 (students use appropriate tools strategically) as they decide which tool, including mental skills, will help them compare a fraction to a benchmark. Students continue to work with number lines, area models, and mental skills as they use the benchmark fractions to compare other fractions.

Key vocabulary:

  • benchmark
  • denominator
  • equivalent
  • half
  • numerator
Related content

Appears in

Understanding fraction equivalence and comparison

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