Lesson 14

Representemos fracciones en un diagrama de puntos

Lesson Purpose

The purpose of this lesson is for students to make and interpret line plots displaying fractions in eighths.

Lesson Narrative

In this lesson, students use fraction arithmetic to solve problems about line plots. Students make line plots by generating data and using given data and then they solve problems about the line plots. Students have worked with these line plots in a previous course. The new part of the work in this lesson and the next is the level of complexity of the questions they answer. In this lesson they perform arithmetic with the fractions and answer questions that involve thinking about all the data as a whole and certain measurements as a fraction of that whole (MP2).

  • Engagement
  • MLR8

Learning Goals

Teacher Facing

  • Create line plots and use the information to solve problems.

Student Facing

  • Hagamos un diagrama de puntos y analicemos los datos que recolectamos.

Required Materials

Materials to Gather

Required Preparation

Activity 1:

  • Each group of 2 needs 1 paper clip and one pencil.

CCSS Standards


Building Towards

Lesson Timeline

Warm-up 10 min
Activity 1 15 min
Activity 2 20 min
Lesson Synthesis 10 min
Cool-down 5 min

Teacher Reflection Questions

How did the student work that you selected, particularly in the second activity, impact the direction of the discussion? What student work might you pick next time if you taught the lesson again?

Suggested Centers

  • Creating Line Plots (2–5), Stage 4: Eighth Inches, Add, Subtract, and Multiply (Addressing)
  • Rectangle Rumble (3–5), Stage 4: Whole Number and Fraction Factors (Supporting)

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