New
New
Year 5

# Interpret numbers greater than and less than zero in different contexts

I can interpret numbers greater than and less than zero in different contexts.

New
New
Year 5

# Interpret numbers greater than and less than zero in different contexts

I can interpret numbers greater than and less than zero in different contexts.

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## Lesson details

### Key learning points

1. Negative numbers are below zero and are less than zero
2. Positive numbers are above zero and are greater than zero

### Common misconception

Pupils may struggle to recognise that numbers exist to the left of zero.

Expose pupils to images in familiar contexts showing negative numbers. Take lots of opportunities to count bridging zero.

### Keywords

• Temperature - Temperature is how hot or cold something is and generally in the UK is measured using the Celsius scale.

• Positive - Numbers greater than zero.

• Negative - Numbers less than zero.

Number lines showing positive and negative values, ideally horizontal and vertical, should be prominently displayed in the classroom throughout this unit so that pupils can see that values exist before zero.
Teacher tip

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Starter quiz

### 6 Questions

Q1.
Match the car colours to their current position

second

first

third

Q2.
Which of the following would result in a positive change?
Correct answer: Jun put seven marbles in a bag and Sofia took five marbles out.
Jun put five marbles in a bag and Sofia took seven marbles out.
Jun put no marbles in a bag and Sofia took four marbles out.
Correct answer: Jun put four marbles in a bag and Sofia took no marbles out.
Jun put no marbles in a bag and Sofia took no marbles out.
Q3.
Which of the following would result in a negative overall change?
Correct answer: Jun put five marbles in a bag and Sofia took ten marbles out.
Jun put ten marbles in a bag and Sofia took five marbles out.
Correct answer: Jun put one marble in a bag and Sofia took two marbles out.
Jun put one marble in a bag and Sofia took no marbles out.
Correct answer: Jun put no marbles in a bag and Sofia took one marble out.
Q4.
Three people got on a bus. At the next stop, seven people got off the bus. Which of these equations correctly describes this scenario?
7 − 3 = −4
Correct answer: 3 − 7 = −4
7 − 3 = 4
7 − 4 = 3
3 + 7 = 10
Q5.
17 is the whole. 4 is one part. What is the other part?
Correct Answer: 13, 13.0, 13., thirteen, Thirteen
Q6.
Match the word with the correct definition.

at a higher level

at a lower level

Correct Answer:zero,shows that there is no amount

shows that there is no amount

Correct Answer:greater than,one quantity is worth more than another

one quantity is worth more than another

Correct Answer:less than,one quantity is not worth as much as another

one quantity is not worth as much as another

## Exit quiz

### 6 Questions

Q1.
Match the keyword with the definition.
Correct Answer:temperature,how hot or cold something is

how hot or cold something is

numbers greater than zero

numbers less than zero

Q2.
Match the location to the temperature description.

above zero

at zero

below zero

Q3.
Select all of the options which describe the temperature in Edinburgh.
Positive
Above zero
Q4.
Match the letters to their description.

positive

zero

negative

Q5.
Match the letters to their description.

greater than zero

zero