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RCN Lesson 1: Sort the Story Problems

Last updated over 2 years ago
7 questions
Note from the author:
Today's Learning Goal (G2,U9,L9):
  • Analyze story problems involving addition and subtraction within 100.
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.) Volume is at minimum.
3.) No cellphones.
4.) Read and follow all directions.
5.) Take your bag off and begin the activator immediately.
Today's Learning Goal (G2,U9,L9):
  • Analyze story problems involving addition and subtraction within 100.
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.) Volume is at minimum.
3.) No cellphones.
4.) Read and follow all directions.
5.) Take your bag off and begin the activator immediately.
Required
1

Jump Start Activator- (3-5 minutes)




  • Remember to NOT shout the answer! The question should be answered MENTALLY. Give me a signal when you have an answer and can explain how you got it.

Launch: Number Talk- (5-10 minutes)

Talk in groups of 2 how can you use known differences like the ones below to find the value of other expressions
1

How can you use the result of 54 - 6 to find the value of 54 - 26?

1

How can you use the result of 14 - 6 to find the value of 54 - 6?

EXPLORE A1: Card Sort Story Problems - (20 minutes)

At the end of each school year, some schools donate books to families or charities to encourage summer reading. The students and teachers sort books, so they can decide which ones to keep and which ones to give away.”
  • “Some students reflect on the books they have read and choose their favorites. Many students think about the books they hope to read over the summer.”
  • “You will be sorting and solving story problems about books and reading.”
In this activity, you are going to sort the story problems in a way that makes sense to you.”
“You can think about the categories you would like based on what you notice is the same or different about the stories and how you might solve them.
1

Compare your sort with your partner's. How are your sorts the same? How are they different?

EXPLORE A2: Solve Story Problems - (15 minutes)

  • Choose one of the story problems from the First activity to solve. Pick a different problem than your partner.
  • I will model 1 and we will do story problem 2.

  • Share the method you used and the solution to your problem with your partner.


Required
1

Take a picture of your work for cards #3-6 here.

Lesson Synthesis- (5-10 minutes)




1

Read the story problem about the books in Elena’s class.
Draw a diagram to show:

Cool Down - (5 minutes)

Required
1

Jada’s class gave away 19 books. Her class gave away 5 fewer books than Diego’s class. How many books did Diego’s class give away?
Show your thinking using diagrams, symbols, or other representations

KHAN ACADEMY: FOR THE LAST 30 MINUTES OF MATH INTERVENTION!!