Interpret numbers greater than and less than zero in different contexts | Maths

Starter quiz

Match the car colours to their current position
- yellow
  
  ⇔
  
  second ✓
- red
  
  ⇔
  
  first ✓
- blue
  
  ⇔
  
  third ✓
Which of the following would result in a positive change?
- 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.
- 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.
Which of the following would result in a negative overall change?
- 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.
- 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.
- Jun put no marbles in a bag and Sofia took one marble out. ✓
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
- 3 − 7 = −4 ✓
- 7 − 3 = 4
- 7 − 4 = 3
- 3 + 7 = 10
17 is the whole. 4 is one part. What is the other part?
- '13' ✓
Match the word with the correct definition.
- above
  
  ⇔
  
  at a higher level ✓
- below
  
  ⇔
  
  at a lower level ✓
- zero
  
  ⇔
  
  shows that there is no amount ✓
- greater than
  
  ⇔
  
  one quantity is worth more than another ✓
- less than
  
  ⇔
  
  one quantity is not worth as much as another ✓