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2/25- Cool Down

Quiz by ABBI MICKLER

Grade 8
Mathematics
North Carolina Standard Course of Study

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4 questions
Show answers
  • Q1
    Mary asked children in her neighborhood their favorite flavor of ice cream. Their responses are shown in this table. Approximately what percent of boys chose chocolate chip or vanilla as their favorite flavor of ice cream?
    Question Image
    17%
    47%
    20%
    39%
    300s
    NC.8.SP.4
  • Q2
    The scatterplot shows the relationship between children’s shoe size and growth in height. What is the relationship between shoe size and height?
    Question Image
    as shoe size increases, height of children stays the same
    as shoe size increases, height of children increase
    as shoe size decreases, height of children increase
    there is no relationship between shoe size and height of children
    300s
    NC.8.SP.1
  • Q3
    This graph shows a scatterplot and a linear model of its data. Which statement is true?
    Question Image
    The linear model represents the data well because most of the dots are above the line.
    The linear model does not represent the data well because most of the dots are above the line.
    The linear model represents the data well because some of the dots are on the line.
    The linear model does not represent the data well because not all of the dots are on the line.
    300s
    NC.8.SP.2
  • Q4
    This scatterplot shows the number of hours each student studied and the grade scored. It was determined that y = 7.8x + 61 is a good model for the data set. What is the meaning of the slope of the linear model?
    Question Image
    A student will receive a grade of 61 by spending 1 hour studying.
    A student will receive a grade of 61 by spending no time studying.
    A student’s grade increased by about 1 point for every 7.8 hours studying.
    A student’s grade increased by about 7.8 points for every 1 hour studying.
    300s
    NC.8.SP.3

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