Ch. 1 Ratios and Rates

Greatest Common Factor

100

Find the GCF of 8 and 32

8

200

Find the GCF of 24 and 60

12

300

Find the GCF of 8 and 14

2

400

Find the GCF of 21 and 24

3

500

Find the GCF of 27 and 36

9

Least Common Multiple

100

Find the LCM of 7 and 9

63

200

Find the LCM of 6 and 15

30

300

Find the LCM of 9 and 15

45

400

Find the LCM of 5 and 6

30

500

Find the LCM of 6 and 9

18

Ratios

100

Single Jeopardy

100 points

200

Double Jeopardy

200 points

300

36 kittens to 12 puppies

What is the ratio of puppies to kittens?

12/36 = 1/3

400

10 footballs to 6 soccer balls

What is the ratio of footballs to soccer balls?

10/6 = 5/3

500

What are the 3 ways to write a ratio?

1/3

1:3

1 to 3

Rates and Unit Rates

100

72 ounces in 6 steaks

write as a unit rate

72/6 = 12/1

200

162 water bottles in 9 cases

write as a unit rate

162/9 = 18/1

300

$3 for 6 bagels

$9 for 24 bagels

Determine if each pair of ratios or rates is equivalent?

$0.50/1 and $0.38/1

NO

400

3 hours worked for $12

9 hours worked for $36

equivalent or not

$4/1 and $4/1

YES

500

45 cookies will serve 15 students

How many cookies are needed for 30 students?

90 cookies

Ratios

100

Single Jeopardy

100 points

200

Tonya runs 8 kilometers in 60 minutes.  At this rate, how long would it take her to run 2 kilometers?

15 minutes

300

Lamika buys 12 packs of juice boxes that are on sale and pays a total of $48.  How much will she pay to buy 8 packs of juice boxes?

$32

400

Santiago receives an allowance of $7 every week. How much total does he receive after 4 weeks?

$28

500

8 squares to 2 triangles

what is the ratio of triangles to squares?

2/8 = 1/4