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Multiply a fraction by a fraction


Curipod generated lesson: "Multiply a fraction by a fraction". #5-7

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Updated 5 months ago

1. Slide
60 seconds
Unit 10, Lesson 3
Multiply a Fraction by a Fraction
2. Drawings
420 seconds
Look at the math problem below. Is the work correct? Write a brief explanation to defend your reasoning.
3. Poll
20 seconds
Learning objective: "I can multiply a fraction by another fraction." What is your current scale of understanding for this skill?
  • 1) I'm confused about this skill.
  • 2) I'm still learning this skill.
  • 3) I understand this skill.
  • 4) I could teach this skill.
4. Slide
600 seconds
TAKE NOTE: 1) Multiply the numerators. 2) Multiply the denominators. 3)Simplify the fraction.
How to Multiply a fraction by a fraction.
5. Slide
60 seconds
Denominator is a Latin word meaning "that which names." The denominator names the partition that the fraction is representing (aka how many parts the whole is broken into).
6. Drawings
450 seconds
Sol's mother gives him 2/3 of a piece of raisin toast. He eats 1/4 of what she gives him. What fraction of the whole piece of toast did Sol eat? Work in pairs. Solve the problem using a model or an algorithm to defend your reasoning. ๐Ÿž
7. Poll
300 seconds
What is the SIMPLIFIED product of 3/4 x 2/3?
  • 6/12
  • 1/2
  • 1 1/2
  • 1 1/4
8. Open question
180 seconds
On Sunday Tom Hanks used 3/4 of a bag of oranges to make fresh orange juice. On Monday, he used 2/5 as many oranges as on Sunday. In simplest form, how many bags of oranges did he use on Monday?
9. Slide
300 seconds
Discuss in your groups. When you are done, please give me a back-to-back silent signal as you get ready to share your thoughts.
Joelle thinks that the product of 7/8 x 3/10 is greater than the product of 3/8 x 7/10. How do you respond to Joelle's thinking?
10. Poll
300 seconds
Tabitha and Ally are putting together a puzzle.They have 3/5 of the puzzle completed. If Tabitha put 1/2 of the partly-finished puzzle together, what fraction of the whole puzzle did she put together?
  • 6/10
  • 3/10
  • 2/12
  • 6/21
11. Drawings
360 seconds
Write an example of multiplying two fractions of your own choosing, and find a solution. Then write a word problem that fits your problem.
12. Drawings
420 seconds
Amaury Guichon is making a chocolate sculpture. His original chocolate recipe for a 3 foot sculpture calls for 16/8 pound of melted bittersweet chocolate. If he wants to make a sculpture that is 1/3 the size, how many pounds of melted bittersweet chocolate will he need? Solve the problem and simplify. Then, draw a picture a sculpture you think Chef Guichon made.
13. Slide
60 seconds
To multiply a fraction by a fraction, multiply the numerators and multiply the denominators. Then, reduce the fraction into its simplest form.
Key Takeaway
14. Poll
20 seconds
Show me your final scale of understanding for the today's objective: " I can multiply a fraction by another fraction."
  • 1: Even with help and support, I do not understand.
  • 2: Starting to understand but still confused.
  • 3: I can do this with help or an example in front of me.
  • 4: I can do this independently.
  • 5: I am confident and I can teach someone.
15. Word cloud
60 seconds
Share ONE adjective to describe your understanding. Then write ONE thing that I can do to help your understanding grow. Please include a question you might have for me as well.

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