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Lela Yuxin Nathan
Hannah, Erik and daichi
WALT solve 2 times 7
Click to listen to the
Polygon Song "Just a boring square"
The Trick of 9
Think of a two digit number. For example: 24
Add the two digit numbers together: 2+4=6
Subtract the answer from 24: 246=18
Add the new two digit number together: 1+8 = 9
The answer will always be 9 for any two digit numbers you choose!
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Lela Yuxin Nathan
Hannah, Erik and daichi
WALT solve 2 times 7Click to listen to the Polygon Song "Just a boring square"
The Trick of 9
Think of a two digit number. For example: 24
Add the two digit numbers together: 2+4=6
Subtract the answer from 24: 246=18
Add the new two digit number together: 1+8 = 9
The answer will always be 9 for any two digit numbers you choose!