School Improvement in Maryland

Sample Assessments: Each sample assessment item gives an idea of how an assessment item on the MSA might be presented. The items appropriately measure the content of the VSC and may be formatted similarly to those appearing on the MSA; however, these are sample items only and have not appeared on any MSA form.

Standard 5.0 Knowledge of Probability

Topic A. Sample Space

Indicator 1. Identify a sample space

Objective b. Determine the number of outcomes

Assessment limit: Use no more than 5 dependent events with no more than 10 outcomes in the first event

Selected Response Item

George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?

  1. 10
  2. 20
  3. 90
  4. 100
/share/assessment_items/xml/items/msa_math_8_019.xml

Correct Answer:
C

Selected Response Item

At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?

  1. 8
  2. 9
  3. 72
  4. 81
/share/assessment_items/xml/items/msa_math_8_020.xml

Correct Answer:
C

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Student Produced Response (SPR) Item

There are 12 CD's in a bag — 6 rap music, 3 country music, and 3 rock music. Two CD's are selected from the bag. The first CD is not replaced before making the second selection. What is the total number of possible outcomes?

blank SPR form

/share/assessment_items/xml/items/msa_math_8_021.xml

Correct Answer:
132

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