Ordering our Teen Number chains

After making our chains yesterday we ordered them today from smallest to biggest:

Then we hung them up with our number sentences. We can count teen numbers forwards and backwards. 

Teen Numbers 

We have been learning about teen numbers. 

Things we know about teen numbers: 

• They are a group of ten and some more 
• When you write them they always start with a 1
• They have 'teen' at the end, except for the naughty teens 11 and 12 

We made teen chains to show a group of ten and some more: 

Ten and 1 more is 11

Ten and 2 more is 12

Ten and 3 more is 13

Ten and 4 more is 14

Ten and 5 more is 15

Ten and 6 more is 16          

Ten and 7 more is 17

Ten and 8 more is 18

Ten and 9 more is 19

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