Practice Workbook SE - East Penn School District

Name
LESSON 28.4
Problem Solving Skill: Draw Conclusions
1. Jack and Kylie are playing a game
with a bag of 10 marbles that are either
yellow, green, black, or red. Jack earns 1
point when he pulls a yellow marble; Kylie
earns 1 point when she pulls a green
marble. Use the clues to find how many of
each color of marbles are in the bag. Tell
whether the game is fair. Explain.
BAG OF MARBLES CLUES
• The probability of drawing a red
marble is 1
3
0
.
• The probability of drawing Jack’s
color is 1
2
0
.
• The probability of not drawing
Kylie’s color is 1
9
0
.
For 2–3, use the spinner.
Tom and Harry made up rules for a 2-player
game using the spinner. Tell if the game is
fair or not fair by using probability.
2. Tom’s game:
Player 1 scores 1 point for an
odd number.
Player 2 scores 1 point for a
prime number.
3. Harry’s game:
Player 1 scores 3 points for a
composite number.
Player 2 scores 3 points for a
factor of 6.
5
1
4
2
3
© Harcourt
Mixed Review
4. What are the factors of 21?
5. Rename 9 2
as a mixed number.
6. Write 0.9 as a fraction.
7. List 5 multiples of 9.
Practice
PW155