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Probability
[4.4.3.B.1] [Open-ended Question]
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It is Cheryl's turn to spin a spinner to choose an activity
for her physical education class. Cheryl will spin one of the
spinners below to decide what the class will do.
Cheryl's favorite activity is swimming.
- Find the probability of landing on swimming using Spinner
1.
- Find the probability of landing on swimming using Spinner
2.
- Decide which spinner Cheryl should choose if she wants to
go swimming.
- Explain why Cheryl should choose this spinner.
Scoring rubric
3 points
The student appropriately responds to all four parts of
the question.
2 points
The student correctly finds the probability of landing
on swimming for both spinner 1 and spinner 2.
OR
The student correctly finds the probability of landing
on swimming for either spinner 1 or spinner 2. The student
gives a reasonable explanation for which spinner Cheryl
should choose.
1 point
The student correctly finds the probability of landing
on swimming for either spinner 1 or spinner 2.
OR
The student gives a reasonable explanation for which spinner
Cheryl should choose.
0 points
The response shows limited to no understanding of the
problem's mathematical concepts.
Note: A reasonable explanation for
bullet four might include bigger area, fewer choices,
or comparison of fractions.
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