fundamental counting principle

The fundamental counting principle

• Tells you the probability of an event.

• Tells you how many different possible outcomes there are.

• Helps you convert a fraction into a percent.

• Shows you the outcomes that don't appear in a tree diagram.

If you roll a six-sided die twice, how many possible outcomes?

• 360

• 1

• 36

• 12

How many possible outcomes are on this spinner?

(a)  

What is the total possible number of outcomes if you spin this spinner four times?

• 256

• 16

• 64

• 10

What is the total possible number of outcomes of spinning a three-sided spinner two times?

Mathematical Equivalence

ON

If you spin this spinner four times, what is the total number of possible outcomes?

• 20

• 625

• 25

• 3125

What is the total possible number of outcomes from spinning this spinner three times?

• 27

• 216

• 18

• 1/6

Lucy has the spinner pictured and spins it twice in a row. What is the total number of possible outcomes?

• 16

• 4

• 12

• 1/4

These four coins are placed in a bag. You pull one coin out and replace it three times. What are the total number of possible outcomes? 

Mathematical Equivalence

ON

The spinner is spun four times. What is the total number of possible outcomes?

• 21

• 64

• 1296

• 24