Lesson plan

# 5. Analyzing line plots with fractions greater than one (A)

teaches Common Core State Standards CCSS.Math.Content.4.MD.B.4 http://corestandards.org/Math/Content/4/MD/B/4
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Lesson objective: Apply knowledge of adding and subtracting mixed numbers when analyzing a line plot.

This lesson provides an opportunity for students to apply their knowledge and understanding of line plots to a real-life situation. Students are asked to write a story for a school newspaper based on the data collected from observing worms on the playground.

Key Concept students will use:

• We can use visual models and equations to represent situations involving addition and subtraction of fractions with the same whole and like denominators.

Skills students will use:

• changing fractions to mixed numbers
• adding and subtracting fractions with like denominators

Students engage in Mathematical Practice 4 (Model with mathematics) as they analyze line plots to solve problems involving addition and subtraction of fractions with like denominators.

Key vocabulary:

• fraction
• line plot
• mixed number