Fractions

FractionsFractionsPart of a whole13

numeratordenominatorOut ofDivided by

Name that fraction!

http://vectorkids.com/vkfractions.htm

Color the fraction!

http://www.ixl.com/math/grade-5/fractions-review

Equivalent FractionsEquivalent means equal. Watch this video on equivalent fractions.

http://www.khanacademy.org/math/arithmetic/fractions/v/equivalent-fractions

Lets Learn MorePizza

3/46/89/12

Multiply by 1 5 x 1 =

235 x 1 =

2/3 x 1 =

a x 1 =52352/3a

What is 1?

Rasing Fractions

Rasing Fractions A man walks into the pizza store and orders a medium pizza.

The clerk asks Would you like that cut in 8 pieces or 6?

The man replied Make it 6. I dont think I can eat 8.

Rasing FractionsTo raise fractions make the denominator larger.

Multiply numerator and denominator (top and bottom) of the fraction by the same number.

This is the same thing as multiplying by 1.

Rasing FractionsMultiply numerator and denominator (top and bottom) of the fraction by the same number.

This is the same thing as multiplying by 1.

Rasing FractionsRaise 3/8 to 56ths. Multiply numerator and denominator (top and bottom) of the fraction by the same number.

Rasing FractionsRaise 3/8 to 56ths. Multiply numerator and denominator (top and bottom) of the fraction by the same number.

Reducing FractionsOpposite of raising.Make the denominator smaller.Divide numerator and denominator by the same number.

Reducing FractionsMight take more than one step.More than one way.Divide numerator and denominator by the same number.

Reducing FractionsDivide numerator and denominator by the same number.

Reducing FractionsDivide numerator and denominator by the same number.

Proper and ImproperAn improper fraction has a numerator larger than the denominator.

A proper fration has a numerator smaller than the denominator.

Mixed vs. Improper A mixed number has a whole and fraction part. A mixednumber can be written as an improper and visa versa.

Work this on paper. We have 5 full crates of apples and one crate with only7 apples. The full crates contain 30 apples.How many apples altogether? Work this on paper. We have 5 full crates of apples and one crate with only7 apples. The full crates contain 30 apples.How many apples altogether?

157 apples. How did you get the answer?Mixed to Improper.You multiplied the 5 times 30 and added the 7

To change a mixed number to improper, multiply the denominator by the whole part and add the numerator. Keep the denominator the same.

Mixed to improperTry some.

Mixed to improperTry some.

Try this on paper. We have 135 pencils and boxes that hold 12 each.How many full boxes? How many loose pencils?How did you get your answer?Try this on paper. We have 135 pencils and boxes that hold 12 each.How many full boxes? 11 How many loose pencils? 3How did you get your answer?Divided 135 by 12. The remainder was the left over.135/12 = 11 3/12Improper to MixedDivide.

Try these.

Answers