Bridge 100 by subtracting in multiples of 10 | Maths | Quizalize & Oak National Academy

Starter quiz

What is the missing value? 8 tens + ______ tens = 13 tens.
- '5' ✓
What are the addends in this calculation 90 + 30 + 10 = 130?
- 90, 10 and 130
- 130, 90 and 10
- 90, 30 and 10 ✓
- 30, 10 and 130
If I know 6 + 7 = 13, what is 6 tens + 7 tens? ______
- '13 tens' ✓
Match the linked equations. Which number fact to 20 would you use to solve each equation with multiples of 10?
- 3 + 8 = 11
  
  ⇔
  
  30 + 80 = 110 ✓
- 4 + 9 = 13
  
  ⇔
  
  40 + 90 = 130 ✓
- 5 + 7 = 12
  
  ⇔
  
  50 + 70 = 120 ✓
- 6 + 7 = 13
  
  ⇔
  
  60 + 70 = 130 ✓
What is the sum of these addends 40 + 60 + 50 = ______
- '150' ✓
What is the missing addend 80 + ______ + 40 = 140?
- '20' ✓