Video: Reading Pictograms Where Each Picture Stands for 10

The picture graph shows how many movies William and his friends watched in a year. How many movies did Elizabeth watch? How many fewer movies did Daniel watch than William?

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Video Transcript

The picture graph shows how many movies William and his friends watched in a year. How many movies did Elizabeth watch? How many fewer movies did Daniel watch than William?

So, the picture graph, or the pictogram, shows us how many movies William and his friends watched in a year. And we’re also given a key. The key tells us that each circle on the picture graph is worth 10 movies. Let’s start by working out how many movies Elizabeth watched. Elizabeth’s row on the picture graph contains three circles. If each circle is worth 10 movies, then we know that Elizabeth must have watched 30 movies, 10, 20, 30. Three lots of 10 is 30.

Next, we need to work out how many fewer movies Daniel watched than William. There are five circles in William’s row, 10, 20, 30, 40, 50. William watched 50 movies; five 10s are 50. Daniel’s row contains one circle, which means that he watched 10 movies. So, Daniel watched the fewest movies. He watched 10, and William watched 50.

We need to calculate the difference between 10 and 50. By looking at the picture graph, we can see the difference is four circles. And we know that each circle is worth 10 movies. Four 10s are 40. So, Daniel watched 40 fewer movies than William. Elizabeth watched 30 movies, and Daniel watched 40 fewer movies than William.

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