Log inSign up for FREE
Library

RCN Lesson 14: Convert between Improper and Mixed-Number Fractions

Last updated over 2 years ago
13 questions
Develop Understanding
Today's Learning Goal: (G4,U9, L2)
  • Add and subtract fractions and mixed numbers with like denominators.
  • Compare fractions and mixed numbers by reasoning about equivalence
Today's Materials:
  • Laptop
  • Laptop charger
  • Pen/Pencil/Paper (optional)
Please complete the Jump Start (activator). You have 5 minutes before we review. This is independent it should be silent.
Reminders:
1. Ready for class
2. No cellphones
3. Volume must be low.
4. Read and follow all directions
5.) Take your bag off and immediately begin the Activator.

Jump Start - (5 min)

Number Talk: Whole and Units


Answer the questions (1 - 3) below:


Required
1

Required
1

Required
1

Launch - Converting Mixed-Fraction and Improper Fraction. (7 min)

I'll model question 1 on Activator
We Do question 2 on Activator
You do question 3 on Activator

Activity 1 - Straws for A Roller Coaster. (15 min)

Answer questions 4 - 6


In science class, Noah, Tyler, and Jada are building a model of a roller coaster out of 1-foot-long paper straws.
  • Noah needs a piece that is 7/12 foot long.
  • Tyler needs one that is 1/4 foot long
  • Jada needs one that is shorter than the other two.
Jada says, “We can just use one straw for all these pieces."
Required
0

Draw a diagram to represent this situation and explain to your partner how it matches the situation.
Then, find the length of the piece of straw that could be Jada’s piece.

Required
0

Did Noah use more than 1/2 foot or less than 1/2 foot of straw? Explain or show your reasoning.

Required
0

Tyler says, “If Jada uses a piece that is 1/6 foot long, there would be a piece of straw that is 1/12 foot left.” Do you agree or disagree with Tyler? Explain your reasoning.

Activity 2 - Tall Enough for a Ride? (15 min)

Answer questions 7 - 10

Lin’s class is on a trip to the amusement park. Visitors must be at least a certain height to get on rides. Use the table to answer questions about four students’ height.
Required
0

Required
0

Required
0

Required
0

Lesson Sythnesis- (10 min)

Problem solving is about reasoning. Today we solved problems involving addition and subtraction of fractions and mixed numbers.
Required
0

What did you use to make sense of the problems? What helped you make sense of the strategies that others shared?

Required
0

How did understanding fraction equivalence help you solve the problems?

Cool Down - (5 min)

The Flag Pole


Required
4

How long is the entire flagpole? Show your reasoning.

Closure Questions:

  • How do you feel about today's material?
  • What is an equivalence fraction?
  • What are the 3 kinds of fractions we seen today?