Video Transcript
Complete: seven subtract three
equals what. You can use the following addition
sentence to help you. Three plus what equals seven.
In this question, we have to find
seven take away three, and we’re given a partial addition sentence to help. Three plus something equals
seven. We know the whole amount is seven,
and we know that one of the parts is three. So to help us find seven take away
three, we can think about the number that we need to add to three to make seven. We could use a 10 frame and some
counters. We’ve got three counters. How many more do we need to add to
make seven? One, two, three, four. Three and four are a pair of
numbers which makes seven. If three plus four equals seven,
then seven take away three equals four. The missing number is four. Seven take away three equals
four.
