Fractions Lesson 2
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Transcript of Fractions Lesson 2
FractionsLesson 2
What is a Fraction?A fraction is a number that tells us parts of a whole.
This is a whole,one big circle!
These are parts!
Fractions• A whole square
• A whole tomato
• A whole pear
• A whole banana
What is a Fraction?Look at this pizza! It’s a whole
pizza
This pizza has been cut into half! It’s now TWO parts. In fractions we call this “one half” we write this as
THE TOP NUMBER OF THE FRACTION TELLS US HOW MANY SLICES WE
HAVE.WE CALL IT THE NUMERATOR.
The bottom number tells us how many parts in the whole pizza.We call it the denominator.
(Fractions) A half ½
•½ + ½ = 1•Two halves make a whole
+ =
Halves
Half a pear.Half a kiwi. Etc.
Quarters
+ + + =
you can say:
HalfA halfOne half
If the top number is one
What fraction of the square is blue?
Quarter of the square is blue.
One quarter of the square is blue.A quarter of the square is blue.
Remember the ‘s’:
Three quarters
If it is any other number
1
1/2 1/2
1/3 1/3 1/3
1/4 1/4 1/4 1/4
1/5 1/5 1/5 1/5 1/5
1/6 1/6 1/6 1/6 1/6 1/6
1/8 1/8 1/8 1/8 1/8 1/8 1/8 1/8
1/9 1/9 1/9 1/9 1/9 1/9 1/9 1/9 1/9
1/10 1/10 1/10 1/10 1/10 1/10 1/10 1/10 1/10 1/10
1/12 1/12 1/12 1/12 1/12 1/12 1/12 1/12 1/12 1/12 1/12 1/12
Equivalent Fractions
Twelfths
Tenths
Ninths
Eighths
Sixths
Fifths
Fourths
Thirds
Halves
Whole
G4 Wks 2 Color Practice