Multiplying and Dividing Fractions
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Curipod lesson about topic "Multiplying and Dividing Fractions"
schaare
Updated 3 months ago
1. Word cloud
120 seconds
What does it mean to multiply fractions?
2. Slide
60 seconds
"5.NF.3 Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers.
5.NF.4 multiply a fraction or whole number by a fraction"
Learning objective:
3. Slide
60 seconds
Fractions are numbers that represent parts of a whole. Multiplying fractions is similar to multiplying whole numbers. Dividing fractions is similar to dividing whole numbers.
Multiplying and Dividing Fractions
4. Slide
60 seconds
Fraction: A fraction is a number that represents part of a whole. Multiplying: Multiplying fractions is when you multiply the numerator of one fraction by the numerator of another fraction, and then multiply the denominator of one fraction by the denominator of the other. Dividing: Dividing fractions is when you flip the second fraction (so it is now a reciprocal), and then multiply the two fractions.
Concepts:
5. Slide
60 seconds
The Egyptians were one of the first civilizations to use fractions. The ancient Greeks used fractions in their music theory. The Leibniz formula for multiplying fractions was first discovered in 1694.
Fun facts:
6. Open question
660 seconds
Work together in pairs: If John has 3/4 of a pizza and he shares it with his friend, how much pizza will each person get?
7. Open question
660 seconds
Work together in pairs: What is the answer to 4/7 divided by 1/3?
8. Drawings
450 seconds
Brain break: Draw a three-headed alien riding a unicycle while juggling a bunch of bananas!
9. Poll
300 seconds
What is 1/4 + 1/4?
- 1/2
- 2/4
- 1/8
- 4/4
10. Poll
300 seconds
What is 4/5 - 1/5?
- 3/5
- 3/10
- 5/5
- 1/5
11. Poll
300 seconds
What is 3/4 * 2/5?
- 6/20
- 1/5
- 6/5
- 3/20
12. Poll
300 seconds
What is 12/15 divided by 3/5?
- 4/3
- 4/5
- 15/12
- 3/4
13. Poll
300 seconds
What is 5/6 divided by 2/3?
- 5/4
- 2/5
- 3/2
- 5/2
Made with ❤️ from Norway