Video Transcript
There are 58 trees in the
street. 14 trees are being cut down. How many trees will be left in the
street? Hint: After you subtract, check
your answer by adding.
We’re being told to subtract and
then check our answer by adding. Let’s start by subtracting. We know that there are 58 trees in
the street. And we already know we have to
subtract. We need to subtract 14 because 14
trees are going to be cut down. Let’s start by subtracting in the
ones column. We’ve got eight ones and we need to
subtract four. Eight take away four is four. Now, let’s subtract in the tens
column. Five 10s take away one 10 is also
four. So, we know that there will be 44
trees left in the street.
Now, we have to check our answer by
adding. We know the whole amount or the
amount of trees that we started with was 58. We also know that 14 trees were
being cut down, and there were 44 trees left. So, we can check our subtraction by
adding together the two parts, 14 and 44. And we’re checking to see if they
make the whole amount, which is 58. So, let’s check our answer by
adding 14 and 44. Four ones plus four ones is
eight. One 10 and four 10s is five. 14 plus 44 is 58.
We know our subtraction calculation
is correct. We’ve checked it by adding. If there are 58 trees in the
street, 14 are cut down, there will be 44 trees left. First, we subtracted 14 from 58 to
give us our answer 44. And we checked our answer by
adding. 14 and 44 is 58. There will be 44 trees left in the
street.
