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Counting Principle Worksheet

Explore the fundamental counting principle with these problems, covering permutations and combinations for Grade 9 students.

Grade 9 Math Probability and StatisticsCounting Principle
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / False

Standards

CCSS.MATH.CONTENT.HSS.CP.B.9

Topics

counting principleprobabilitycombinationspermutationsgrade 9
6 sections · Free to use · Printable
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Counting Principle Worksheet

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Read each question carefully and use the fundamental counting principle to find the number of possible outcomes. Show your work where applicable.

1. A restaurant offers 4 appetizers, 5 main courses, and 3 desserts. How many different 3-course meals can be ordered?

a

12

b

20

c

60

d

120

2. How many different 4-digit codes can be formed using digits 0-9 if repetition is allowed?

a

1000

b

4000

c

6561

d

10000

3. If a student has 5 shirts, 3 pairs of pants, and 2 pairs of shoes, they can create   different outfits.

4. The number of ways to arrange the letters in the word 'MATH' is  .

5. A password requires 6 characters. The first three characters must be letters (A-Z, case-sensitive) and the last three must be digits (0-9). How many distinct passwords are possible if repetition is allowed?

6. In how many ways can 5 different books be arranged on a shelf?

7. The fundamental counting principle is used when the order of selection matters.

T

True

F

False

8. A permutation is an arrangement of items where order does not matter.

T

True

F

False