Crossing the tens boundary counting forwards and backwards | Maths

Starter quiz

When does the pattern of counting change when counting backwards?
- when you cross the tens boundary ✓
- when you count the forties
I'm thinking of a number. It is in the fifties and ends in 6. What is my number?
- 65
- 56 ✓
- 506
Sort these numbers in the order you would say them if counting forwards.
- 1
  
  ⇔
  
  5 tens 7
- 2
  
  ⇔
  
  5 tens 8
- 3
  
  ⇔
  
  5 tens 9
- 4
  
  ⇔
  
  6 tens
Lucas counts backwards from the number 76. What numbers will he say next?
- 75, 74, 73 ✓
- 77, 78, 79
When counting forwards from 34, which of these numbers will you say?
- 29
- 43 ✓
- 34
When counting backwards from 34, which of these numbers will you say?
- 29 ✓
- 35
- 43