Question Video: Dividing Numbers Using Bar Models Mathematics • 3rd Grade

Liam has 35 flowers arranged in 7 rows. How many flowers are in each row?

02:48

Video Transcript

Liam has 35 flowers arranged in seven rows. How many flowers are in each row?

With a word problem like this, we need to think carefully about what we need to do to find the answer. And in this particular word problem, we’re given something to help us. Can you see what it is? Although we don’t need it to find the answer, we’re given a bar model, and this really helps us to understand what we need to do to find the answer. Now our bar model doesn’t show Liam or any flowers. It’s not a picture, but it is a type of diagram that can help us. Let’s go through the problem and see how.

Firstly, we’re told that Liam has 35 flowers. Now, as we said already, there aren’t any pictures of those 35 flowers, but can you see them on the bar model? The number 35 is here, and the way that it’s labeled it shows us that the whole bar is worth 35. Now, we’re told that Liam’s flowers are arranged in seven rows. Can you see the number seven represented on this bar model? Well, it’s not labeled, but we can see that the whole bar of 35 has been split into one, two, three, four, five, six, seven equal parts. These are just the same as the seven equal rows that Liam’s flowers have been arranged in.

So by looking at our bar model, we can see what we need to do to find the answer. We need to split up 35 or divide it into seven equal groups. And our answer is going to be the number in each group. And in this particular problem, it’s going to show us the number of flowers in each row. So what is 35 divided by seven? Let’s use our knowledge of times tables to help here. Seven lots of what equals 35? Seven times one equals seven, seven twos are 14, seven times three is 21, seven times four is 28, and seven times five equals 35. And because we know seven lots of five equal 35, we can say 35 divided by seven equals five.

We’ve used a bar model to help us understand what we needed to do to solve the problem. If Liam has 35 flowers and they’re arranged in seven equal rows, we know the number of flowers in each row is going to be the answer to 35 divided by seven. And 35 divided by seven equals five. There are five flowers in each row.

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