Equal fractions and simplifying/comparing fractions

Good morning!
Schedule: 
  • Homework questions
  • Learning goals 
  • Last time
  • Fraction of the day 
  • Equal fractions + simplifying 
  • Comparing fractions 
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Slide 1: Diapositive
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Good morning!
Schedule: 
  • Homework questions
  • Learning goals 
  • Last time
  • Fraction of the day 
  • Equal fractions + simplifying 
  • Comparing fractions 

Slide 1 - Diapositive

Learning goals 
At the end of this lesson I can:
  • Convert a fraction to an equal fraction (with a different denominator) 
  • Write a fraction in simplest form
  • Write a quantity as a fraction of another quantity 
  • Determine if a fraction is greater or smaller than another fraction

Slide 2 - Diapositive

Last time

Slide 3 - Carte mentale

Fraction of the day:
What fraction of students speak Hindi?

Slide 4 - Question ouverte

21
51
71
4/8
4/20
3/21
5/10
5/25
3/12
7/49

Slide 5 - Question de remorquage

Equal fractions
Two fractions are equal if they have the same numerical value. 
They are located on the same point on the number line. 

Slide 6 - Diapositive

Slide 7 - Diapositive

Equal fractions and simplifying
To simplify you divide by the Highest Common Factor
(make the denominator as small as possible)
123=
105=
497=

Slide 8 - Diapositive

Write in simplest form:

38(4+2)=

Slide 9 - Question ouverte

Comparing fractions
Geogebra

Slide 10 - Diapositive

Summarize
If two fractions have the same numerator, the fraction with the
Larger denominator < Smaller denominator


52
62
<

Slide 11 - Diapositive

Summarize
If fractions have the same denominator, the fraction with the Larger numerator > Smaller denominator
1310
138
>

Slide 12 - Diapositive

Comparing fractions
Which one is the larger fraction? 
183
277

Slide 13 - Diapositive

(Home)work
p. 107: 5E.1           4ace
p. 108: 5E.2           4cd
p. 109: 5E.3          2, 6, 7
                                    
MyiMaths: 
- Comparing fractions 
- Equivalent fractions 

At least 90%

Slide 14 - Diapositive

Comparing fractions
David and Finn each got the same amount of money for their birthday to spend on something they like. 
David spent 4/5 of his money on video games. 
Finn spent 7/9 of his money on video games. 

Who spent more on video games? 
Show your working out!  

Slide 15 - Diapositive

Comparing fractions
David and Finn each got €45 for their birthday to spend on something they like. 
David spent 4/5 of his allowance on video games. 
Finn spent 7/9 of his allowance on video games. 

How much did they spend exactly on video games? 
David:                               Finn:                    

Slide 16 - Diapositive