Ben has 165 chickens and 47 ducks
on his farm. How many birds are there
on his farm all together?
on his farm. How many birds are there
on his farm all together?
60 + 40 = 100
100 + 0 = 100
100 + 100 + 11 = 211
First I added the tens (60 + 40 ) = 100
Next, I added the ones (5 + 7) = 12
Then I added 100 + 100 + 12 and I got 212
So Ben had 212 birds on his farm altogether.
First I added the tens (60 + 40 ) = 100
Next, I added the ones (5 + 7) = 12
Then I added 100 + 100 + 12 and I got 212
So Ben had 212 birds on his farm altogether.
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