Representing Ratios and Percents

• Pi

• Percent

• Ratio

• 70

What is a ratio?

• Something that compares values of items.

• The top number in a fraction

• The bottom number in a fraction

• A rat...in....oil

When converting percents to decimals, move the decimal:

50% ------> .50

• Up

• Down

• Left

• Right

When converting decimals to percents, move the decimal:

.50 -------> 50%

• Up

• Down

• Left

• Right

Convert this percent to a fraction:

42%

• Wait....What?

• 117%

• 43%

• Wait...what?

• 86%

There are 10 puppies, 6 are boys and 4 are girls.

Part 1 - What is the ratio of boys to girls:

• 6 : 4

• 4 : 6

• 6 : 10

• Boys rule!

There are 10 puppies, 6 are boys and 4 are girls.

Part 2 - What is the ratio of girls to boys:

• 6 : 4

• 6 : 10

• 4 : 6

• Girls Rule!

There are 10 puppies, 6 are boys and 4 are girls.

Part 3 - What is the ratio of boys to all pups:

• 6 : 4

• 6 : 10

• 4 : 6

• PUPPIES!!!!!

There are 10 puppies, 6 are boys and 4 are girls.

Part 4 - What is the ratio of girls to all pups:

• 4 : 6

• 6 : 10

• How many parts are there????

• 4 : 10