Charts, tables and diagrams - Edexcel GCSE Maths (Calculator) Exam Questions

Practise 29 exam-style questions on Charts, tables and diagrams for Edexcel GCSE Maths (Calculator). Write your answer as you would in the exam and get it marked in seconds against the mark scheme, point by point, with an AI tutor on hand if you get stuck.

29 questions
1–5 marks each
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20 questions, marked as you go

Sample questions with model answers

Here are 4 of the questions in this topic, each with a model answer, an explanation of why it earns the marks and the mark scheme an examiner would use.

Question 1

2 marks

The bar chart shows information about the books borrowed from a library on one day.

What percentage of the books borrowed were romance books?
Give your answer correct to 1 decimal place.

Bar chart of number of books for each type of book: Crime 45, Romance 30, History 15, Children's 55, Science 20.

Model answer

Total books = 45 + 30 + 15 + 55 + 20 = 165
Romance = 30
\(\dfrac{30}{165} \times 100 = 18.18...\%\)
= 18.2% (1 d.p.)

Explanation

Read every bar to find the total number of books, then write the romance books as a fraction of the total and multiply by 100. A common mistake is to divide by the number of categories or by the tallest bar.

Mark scheme

1 mark
M1 for \(\dfrac{30}{165}\) (× 100) oe
total = 45 + 30 + 15 + 55 + 20 = 165
1 mark
A1 for 18.2(%)
awrt 18.2 (18.18...); correct answer with no working scores full marks

Question 2

2 marks

The two-way table shows information about how some students travel to school.

Find the values of a and b.

Table with columns (row headings), "Boys", "Girls", "Total". Walk; Boys: 23; Girls: a; Total: 41 | Bus; Boys: 17; Girls: 25; Total: b | Car; Boys: 12; Girls: 9; Total: 21 | Total; Boys: 52; Girls: 52; Total: 104.

Model answer

a = 41 − 23 = 18
b = 17 + 25 = 42

Explanation

In a two-way table each row adds up to the row total and each column adds up to the column total. Use the row for walk to find a, and the row for bus to find b. You can check using the column totals: 23 + 17 + 12 = 52 and 18 + 25 + 9 = 52.

Mark scheme

1 mark
B1 for a = 18
cao; correct answer with no working scores full marks
1 mark
B1 for b = 42
cao

Question 3

3 marks

The line graph shows the number of visitors to a museum each year from 2018 to 2024.

Work out the percentage increase in the number of visitors from 2018 to 2024.

Line graph of number of visitors (thousands) (y-axis, 0 to 180) against year (x-axis, 2018 to 2024). The line joins the points (2018, 125), (2019, 140), (2020, 45), (2021, 70), (2022, 115), (2023, 150), (2024, 165).

Model answer

2018: 125 thousand visitors, 2024: 165 thousand visitors
Increase = 165 − 125 = 40 thousand
Percentage increase = \(\dfrac{40}{125} \times 100 = 32\%\)

Explanation

Read the two values from the graph, find the increase, and divide by the ORIGINAL value (2018). A common mistake is to divide by the 2024 value, which gives 24.2%.

Mark scheme

1 mark
B1 for reading 125 (thousand) for 2018 and 165 (thousand) for 2024
correct answer with no working scores full marks
1 mark
M1 for \(\dfrac{165 - 125}{125} \times 100\) oe
or \(\dfrac{165}{125}\) = 1.32
1 mark
A1 for 32(%)
cao; ft their readings

Question 4

5 marks

The pictogram shows the number of visitors to a museum on four days.
(⬤ is a whole symbol and ◖ is half a symbol.)

Tickets cost £12.50 for an adult and £7.80 for a child.
On Saturday, 35% of the visitors were children and the rest were adults.

Work out the total amount of money the museum received from ticket sales on Saturday.

Table with columns "Day", "Number of visitors". Day: Thursday; Number of visitors: ⬤⬤⬤◖ | Day: Friday; Number of visitors: ⬤⬤⬤⬤ | Day: Saturday; Number of visitors: ⬤⬤⬤⬤⬤◖ | Day: Sunday; Number of visitors: ⬤⬤⬤⬤⬤⬤ | Day: Key; Number of visitors: ⬤ represents 40 visitors.

Model answer

Saturday: 5.5 symbols × 40 = 220 visitors
Children = 35% of 220 = 77
Adults = 220 − 77 = 143
Adult tickets = 143 × £12.50 = £1787.50
Child tickets = 77 × £7.80 = £600.60
Total = £1787.50 + £600.60 = £2388.10

Explanation

Use the key to turn Saturday's 5½ symbols into 220 visitors, then split them into children and adults using the percentage. Multiply each group by its ticket price and add. A common mistake is to read Saturday as 5 or 6 symbols, ignoring the half symbol.

Mark scheme

1 mark
P1 for the number of visitors on Saturday, 5.5 × 40 (= 220)
correct answer with no working scores full marks
1 mark
P1 for the number of children, 0.35 × 220 (= 77)
1 mark
P1 for the number of adults, 220 − 77 (= 143)
or 0.65 × 220
1 mark
P1 for 143 × 12.50 (= 1787.50) and 77 × 7.80 (= 600.60)
1 mark
A1 for £2388.10
cao

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