Page 191 - Mathematics Coursebook

End of unit review

End of unit review
Day of week Number of pizzas
1 The table shows the number of pizzas sold in a Monday 12
supermarket during one week. Tuesday 8
a Draw a pictogram to show the information.
Wednesday 10
Use to represent 4 pizzas.
Thursday 5
b Draw a bar chart to show the information. Friday 19

Number of points Frequency
2 The table shows the numbers of points scored
by a basketball team in 20 matches. 1 –15 2
a Copy and complete the frequency diagram to show 16 – 30 3
the information. 31 – 45 8
b Draw a pie chart to show this information. 46 – 60 7
Number of points scored by
basketball team
10
Frequency 8 6

3 The bar-line graphs show the number of 4 2
T-shirts sold in a shop on the first Monday and 0 1–15 16–30 31–45 46–60
Tuesday in May. Number of points

Number of T-shirts sold on Monday Number of T-shirts sold on Tuesday
Number of sold 16 8 6 Number of sold 16 8 6
14
14
12
12
10
10
2 4 4 2
0 Red Blue Green Yellow Black 0 Red Blue Green Yellow Black
Colour of T-shirt Colour of T-shirt
a Work out the total number of T-shirts sold on: i Monday ii Tuesday.
b Compare the bar-line graphs and make two comments.
c Write down the modal colour T-shirt sold on: i Monday ii Tuesday.
d Give a reason why you think that sales of blue T-shirts dropped on Tuesday.
4 Alun and Bryn count the number of cars that pass their houses each morning for five days. The
pictograms show their results.

Number of cars passing Alun’s house Number of cars passing Bryn’s house
Monday Monday
Tuesday Tuesday
Wednesday Wednesday
Thursday Thursday
Friday Friday
Key: represents 2 cars Key: represents 4 cars
a Alun says: ‘On Thursday twice the number of cars came past my house as passed your house.’ Is
Alun correct? Explain your answer.
b Who do you think lives on the busier road? Explain your answer.
190 19 Interpreting and discussing results