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Tests and marks
This task is about calculating student marks from a class test.
Tests were given to three classes at Shadyvale School.
Question
2
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a) These are the test results for Ms Maguire's Maths class of 25 students.
No students got less than 2 marks,
7 students got 2 to 9 marks,
13 students got 10 to 19 marks.
a) These are the test results for Ms Maguire's Maths class of 25 students.
No students got less than 2 marks,
7 students got 2 to 9 marks,
13 students got 10 to 19 marks.
If the test was marked out of 20, how many students got full marks?
Question
2
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b) These are the test results for Ms McDowell's English class of 39 students.
9 students got 20 to 29,
11 students got 30 to 39,
13 students got 40 to 49,
No students got full marks.
b) These are the test results for Ms McDowell's English class of 39 students.
9 students got 20 to 29,
11 students got 30 to 39,
13 students got 40 to 49,
No students got full marks.
If the test was marked out of 50, how many students got less than 20 marks?
Question
2
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c) These are the test results for Mr Marston's Science class of 39 students.
No students got less than 20,
6 students got 20 to 29,
16 students got 30 to 39,
15 students got 40 to 49.
c) These are the test results for Mr Marston's Science class of 39 students.
No students got less than 20,
6 students got 20 to 29,
16 students got 30 to 39,
15 students got 40 to 49.
If the test was marked out of 50, how many students got full marks?