Lesson 14
Problemas sobre datos de medidas fraccionarias
Lesson Purpose
The purpose of this lesson is for students to solve problems using information presented in line plots.
Lesson Narrative
Previously, students organized and analyzed measurement data on a line plot. They also learned to express equivalent fractions (for example, they expressed 3 fourths as 6 eighths). In this lesson, they continue to use these skills, along with their knowledge of addition and subtraction of fractions with the same denominator, to solve problems involving fractional measurements.
- Representation
- MLR8
Learning Goals
Teacher Facing
- Use information on line plots to solve problems involving addition and subtraction of fractions and mixed numbers.
Student Facing
- Resolvamos problemas sobre datos de medidas en diagramas de puntos
Required Preparation
CCSS Standards
Lesson Timeline
| Warm-up | 10 min |
| Activity 1 | 20 min |
| Activity 2 | 15 min |
| Lesson Synthesis | 10 min |
| Cool-down | 5 min |
Teacher Reflection Questions
Which question asked during this lesson generated the most discourse? What was it about this question to motivate student thinking? How might you use the structure of this question moving forward in upcoming lessons?
Suggested Centers
- Creating Line Plots (2–5), Stage 3: Eighth Inches, Add and Subtract (Addressing)
- Compare (1–5), Stage 6: Add and Subtract Fractions (Addressing)