Level 1 Exam revision

• Mathematics
• Lower Secondary (Key Stage 3)

What is the perimeter of a rectangular shape measuring 7m by 3m?

1. 10m
2. 21m
3. 20m
4. 11m

How do we calculate the mean?

1. highest take away lowest
2. Find the total (by adding) and divide by the number of figures there are.

How do you calculate the range?

1. Highest take away lowest
2. Total divided by how many figures there are

When asked to explain a range, you must...

1. explain that range is highest take away lowest
2. Decide if the range is high and then explain there is a high variety in the data (state what data is)

If the ranges of 3 students scores (out of 100) were as follows: Emily 80, Anna 25 and Jack 60, which of these explanations is correct.

1. Emily is the best as she is the highest.
2. Jack did better than Anna.
3. Anna is the most consistent and Emily is the least consistent.
4. The range is the highest take away the lowest.

In a scale drawing where the scale is 4cm =1m, how would you show a measurement of 0.5m on the scale?

1. 20cm
2. 2cm

In a scale drawing where the scale is 4cm = 1m, how would you show a measurement of 250mm on the scale?

1. 1000cm
2. 1cm

In a scale drawing where the scale is 4cm = 1m, how would you show a measurement of 750mm on the scale?

1. 3cm
2. 3000cm

You need to get tickets printed for the party.
You will have 600 tickets printed.
The organisers tell you to order tickets in the ratio of 3 adult tickets to 1 child ticket (3:1).
Work out how many adult tickets and how many child tickets to order.

1. Adult = 450 tickets and child = 150 tickets.
2. Adult = 200 tickets and child = 600 tickets

What is the area of a wall measuring 14.4m by 2.5m?

1. 36m
2. 36m2

What are the rules for drawing a bar chart?

What is needed for a table?