Question Video: Finding a Number given Two Different Compositions Mathematics • First Year of Primary School

Video Transcript

These two sums have the same answer. What number is it? Five plus two, four plus three.

We can use a number line to help us find the answer. Let’s start with five plus two. We need to start at number five on the number line and count forward two places. Five plus two is seven.

Now let’s add four plus three. We need to start at number four on the number line and count forward three places. Five plus two is seven, and four plus three is seven. The number is seven.