Presentation is loading. Please wait.

Presentation is loading. Please wait.

Reduce the following ratios: 18 to 21 12 : 32 9 to 24 5 35.

Similar presentations


Presentation on theme: "Reduce the following ratios: 18 to 21 12 : 32 9 to 24 5 35."— Presentation transcript:

1

2

3

4

5

6 Reduce the following ratios: 18 to 21 12 : 32 9 to 24 5 35

7 Total number of students in class:______________ Total number of boys:______ Total number of girls:________ Students wearing glasses: _______ Total number of students with blonde hair:___ brown:___ blk:___red:___ Number of students born in AZ:______

8 Unit Rate - a ratio that has a denominator of one. Examples: cost for one pound pages read in one hour cups that can fit on one shelf

9 Write the unit rate: $30 for six books ____ for one book

10 Write the unit rate: Read 80 pages in 2 hours _______ pages in one hour

11 Write the unit rate: 50 books on 2 shelves

12 Write the unit rate: 24 points in 3 games

13 Write the unit rate: A 17 minute telephone call from Boston to Chicago costs $2.38. What is the cost per minute?

14 Better Buy - The CHEAPER of the two unit rates…(the lowest amount). Example: 2 cokes for $1.00 ($.50 each) 4 cokes for $1.75 ($.44 each) 4 cokes for $1.75 is cheaper so it is the better buy.

15 Find the better buy: $ 80 for 5 calculators $264 for 24 calculators

16 Find the better buy: $6.20 for 20 liters $8.75 for 25 liters

17 Find the better buy: 7 pounds for $12.67 $21.69 for 9 pounds

18 Find the better buy: $5.10 for 34 pens $3.06 for 18 pens

19 Find the better buy: $ 442 for 26 staplers $38 for 2 staplers

20 Find the better buy: An eight ounce can of tomatoes costs $1.14. A twelve ounce can costs $1.75. Which can of tomatoes has the better unit price?

21 Find the better buy: Sam bought 36 calendars for $540. Tara bought 7 calendars for $91. Who got the better buy?

22 Find the better buy: Mrs. Riaz needs to buy some meat to make spaghetti. Should she buy 3 pounds for $8.43 or $10.28 for 4 pounds of meat?

23 Find the better buy: Rita is buying coffee for a party. She could buy 7 pounds for $12.67 or 9 pounds for $17.46. Which one is the better buy?


Download ppt "Reduce the following ratios: 18 to 21 12 : 32 9 to 24 5 35."

Similar presentations


Ads by Google