Lesson 16

World’s Record Noodle Soup

Lesson Purpose

The purpose of this lesson is for students to estimate and solve multi-digit division with mixed number quotients.

Lesson Narrative

In previous lessons, students use strategies based on place value, the properties of operations, and/or the relationship between multiplication and division to find whole-number quotients with up to four-digit dividends and two-digit divisors. In previous units, students interpreted fractions as division of the numerator by the denominator.

In this lesson, students explore a real world context and apply what they have learned about division to solve problems related to the context. The context is a world record event for making the longest noodle. The mathematically important part of the context is that the noodle cannot be pieced together from separate smaller noodles. Instead, it must be rolled out as one continuous noodle. It took the employees 17 hours to roll out the approximately 10,119 ft noodle and it fed 400 people. For more information about this event, follow the link: https://www.guinnessworldrecords.com/news/commercial/2017/12/video-worlds-longest-noodle-is-more-than-3-km-long-502606.

When students recognize mathematical features in the real world, they model with mathematics (MP4).

  • Engagement
  • MLR8

Learning Goals

Teacher Facing

  • Solve problems that involve the division of multi-digit numbers.

Student Facing

  • Let’s solve a problem using division with large numbers.

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

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

Suggested Centers

  • Mystery Number (1–4), Stage 6: Decimals (Supporting)

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