Lesson 2 Fractions

Post on 18-May-2015

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Transcript of Lesson 2 Fractions

Fractions 5

Fractions

• A whole square• A whole tomato

• A whole pear

• A whole banana

(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

•Greater than is when one number is BIGGER than the other number.

Greater than

3 1•Three is GREATER THAN one!

5 2How do I say this in English?

Five is greater than two.

10 4How do I say this in English?

Ten is greater than four.

4 3How do I say this in English?

Four is greater than three.

•Less than is when one number is SMALLER than the other number.

Less than

1 3•One is LESS THAN three!

2 5How do I say this in English?

Two is less than five.

4 10How do I say this in English?

Four is less than ten.

8 16How do I say this in English?

Eight is less than sixteen.

•Proper fraction, the numerator is always less than the denominator.

•Improper fraction is when the numerator is greater than or equal to the denominator

•Mixed number is when a whole number and fraction are combined.

Mixed number

•How can we change this improper fraction into a mixed number?•Divide the numerator by the denominator.•13 divided by 4.

Mixed number134

14

3