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Hong Kong
Stage 1

Single digit addition and subtraction


There are a range of strategies we can use to add or subtract single digit numbers such as

  • number lines
  • objects
  • counting on
  • compensation


This video talks through some of these strategies. 



Worked Examples

Question 1

The image below shows one group of apples being added to another.

How many apples are there in total?

Question 2

What is $3+7$3+7?

Question 3

What is $7-1$71?

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