New
New
Year 5
Explain how the value of a number relates to its position from zero
I can explain how the value of a number relates to its position from zero.
New
New
Year 5
Explain how the value of a number relates to its position from zero
I can explain how the value of a number relates to its position from zero.
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Lesson details
Key learning points
- Negative numbers are below zero on a vertical scale
- Negative numbers are to the left of zero on a horizontal scale
Keywords
Scale - A scale is a number line with equal divisions for equal values.
Horizontal - A horizontal line goes side to side, like the horizon
Common misconception
When comparing a pair of numbers such as 3 and −3, pupils may think they are of equal value.
Use of number lines, ideally displayed in the classroom, will help pupils to see that numbers increase in value the further right they are.
Allow pupils to physically rotate vertical number lines such as thermometers until they are horizontal to allow them to see the direct link between vertical and horizontal number lines.
Teacher tip
Licence
This content is © Oak National Academy Limited (2025), licensed on
Open Government Licence version 3.0
except where otherwise stated. See Oak's terms & conditions (Collection 2).Lesson video
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Starter quiz
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6 Questions
Q1.
Tick all of the statements which are true.
15.6 < 9.2
9.2 > 15.6
Q2.
Which of these statements describe the thermometer?
It shows −32
Q3.
In a building with below-ground floors, which of these floors would be in between −2 and −5?
−1
0
−36
Q4.
Laura uses the lift to go to the second floor below the ground. Use the negative symbol to write the number of the floor.
Q5.
Order these elevations from highest to lowest.
Q6.
What is the value being shown on the thermometer? ℃
Exit quiz
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6 Questions
Q1.
Match the keyword with the definition.
a number line with equal divisions or values
a line that goes side to side, like the horizon
values greater than zero
values less than zero
Q2.
Which of these numbers would appear to the left of zero on a horizontal number line?
0
30
Q3.
Describe the distances of −5 and 10 on a number line. Tick all options that apply.
10 is closer to zero.
−5 is further from zero.
They are the same distance from zero.
Q4.
Describe the distances of 10 and −10 on a number line.
−10 is closer to zero.
10 is closer to zero.
−10 is further from zero.
10 is further from zero.
Q5.
Order the following values as they would appear on a horizontal number line, from left to right.
Q6.
Tick all the statements which are true.
−1 > 1
−1 = 1
−8 > −5
Additional material
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