Ratio Review

Ratio 1

100

There are 4 cats and 6 dogs.  Write a ratio of dogs to cats.  Simplify!

3:2

200

The ratio of teachers to students is 2:7.  If there are 182 students.  How many teachers are there?

52

300

The ratio of the number of days is rains to the number of days it doesn't rain is 3:1. If it rained for 36 days, how many did it NOT rain.

12 days it doesn't rain

400

There are 14 more dogs at the animal shelter than cats.  If the ratio of dogs to cats is 5:3. How many cats are at the animal shelter?

21

500

RATIO TABLE

X        Y

5       6

15     X

X      36

40     48

18

30

Ratio 2

100

Simplify 24/72

1/3

200

There are 12 bananas, 10 apples, and 16 kiwis.  What is the ratio of apples to bananas in simplest form?

5/6

300

I am making a dinner for a fundraiser. The ratio of cups of cheese to cups of vegetables is 9:4.  If you have 96 cups of vegetables, how many cups of cheese do you need?

216 cups of cheese

400

There is a total of 42 teachers at Norwich.  If the ratio of female to male teachers is 4:2.  How many males teach at the school?

14 male teachers

500

Fill in the blank

Cups of Apple Juice        Cups of Orange Juice

           15                                  7

          7.5                                  ?

          30                                  14

          60                                  28

3.5

Inequality

100

When graphing inequalities, which symbols have an OPEN circle?

< Less Than

> Greater Than

200

When graphing inequalities, which inequality symbols have a CLOSED circle?

≤ : Less Than or Equal to         

≥ : Greater than or Equal to

300

Solving Inequalities

Solve for x.

x - 5 > 11

What is: 

x > 16

400

Solving Inequalities

Solve for x. 

x + 3 < 7

What is: 

x < 4

500

Solving Inequalities

Solve for x. 

9x > 72

What is: 

x > 8

Equation 1

100

15+b=23

b=8

200

10n=80

n=8

300

M / 16 = 8

m = 128

400

Twice a number is 34

n= 17

500

4+ p=11

p  =7

Equation 2

100

6x  + 8 = 50

x=7

200

2x - 5 = 11

x=8

300

41 = 4w + 5

w=9

400

Your class budgets money from the class treasury for a school dance. Decorations will cost $50. The DJ charges $30 per hour. If your class has a total of $170 to spend on the dance, how many hours can you pay a DJ?

30h + 50 = 170 

h= 4 hours

500

You want to go to Africa for a photo safari. You need a total of $2,800. You can get $1,000 from your savings account and you can save $30 per week. How many weeks will it take you to save up for the trip?

1,000 + 30w = 2,800

 w = 90