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New Questions Added: Two Way Tables

New Questions Added: Two Way Tables2018-10-27T12:49:35+00:00

At QTS Maths Tutor we receive a great amount of feedback from people who have taken their professional numeracy skills test. In particular, we hear about questions students have found difficult or questions that appear to be new. Using this information we have created the most up to date questions to give you the edge in the real thing. We change the numbers but the type of question is very close to those that appear in the real exam.

Two Way Table Question

At Bromsyield Primary, the biological age of 1,004 children was compared to their reading ages. This information is represented by way of a two-way table. For those elements of the table where there were no individuals, these are indicated with a ×.

 1

Across the whole of the primary school, how many pupils are reading at a level two years or above their biological age?

Solution

If their biological age is 5, then two years or above this is a reading age of 7 onwards (these are the pupils shown in yellow).

A biological age of 6, plus two years is a reading age of 8 onwards (shown in green).

And similarly, for ages 7, 8 and 9 (shown in blue).

Those who are 10 or 11 with a reading age two years or above their biological age are not shown in this table.

2

To find the total amount we sum the values highlighted in yellow, green and blue, ignoring the x:

14 + 13 + 3 + 4 + 10 + 9 + 15 + 4 + 3 + 10 + 3 = 88 pupils.

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