Math Club 4/13

Equivalent Ratios

100

Find an equivalent ratio for 9:14

(multiply or divide the numbers by the same number)

18:28

200

Find an equivalent ratio for 198:22

396:44

300

Omar has a new debit card. He earns 1,800 reward points for spending 300 dollars. At this rate, if Omar earned 600 reward points, how much money did he spend?

100

400

According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies. How many cherries does Greg need to make 15 perfect cherry pies?

1,200

500

Explain how you would find an equivalent ratio

You would multiply or divide the numbers by the same quantity or number 

Unit Rates

100

What should a unit rate problem look like?

Fractions 

200

What number should we make the denominator when finding unit rates?

1

300

If there are 30 miles in 2 hours, how many miles are there per 1 hour?

30/2=x/1

15 miles 

400

If there are 40 apartments on 5 different floors, how many apartments are there on each floor? 

40/5=x/1

8 apartments 

500

If you run 16 laps in 4 days, how many laps are you running in 1 day?

4 laps 

Order of Operations

100

What comes second in the order of operations?

Exponents 

200

What is the acronym for the order of operations?

PEMDAS

300

What does PEMDAS stand for?

Parenthesis, exponents, multiplication, division, addition, subtraction

400

(6x4)/3-6+2

4

500

3+[6(11+1-4)]/8x2

15

Evaluating Expressions with Variables

100

Solve: 5x+14

x=11

69

200

4x+3y

x=2

y=6

26

300

6m³+n²

m=3

n=5

162

400

2x+3

x=3

9

500

7x²-12x+13

x=4

77

Solving Inequalities

100

What does a closed circle mean on a number line when solving inequalities?

Numbers that are less than or equal to

200

What does ">" mean? 

Greater than 

300

3x+1>10

x>3

400

5x-2x-3<9

x<4

500

x+2>12

x>10