In this activity, we are going to practise adding numbers up to 20.
Example 1
Add together:
9 + 3
Answer
Start with the bigger number, which is 9, and count on 3 more numbers.
9 10 11 12
The answer is 12.
Example 2
7 + 11
Start with the bigger number, which is 11, and count on 7 more numbers.
11 12 13 14 15 16 17 18
The answer is 18.
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Question
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Teacher explanation