15th September'20

Reading time: 3 mins 

Brief History

When human civilisations were evolving, humans started writing with pictures!
In Fact some early human scripts were pictorial in nature. Pictographs too are based on the same principle of conveying information or data in picture form.

                                                                                                 Human scripts

Egyptian writing based on Pictures)[1]

What are Pictographs?

Pictographs are an easy and simple way to enable a reader to understand the data through pictures. Wherein, each image or picture represents a certain amount or number of things.

Why Pictographs are used?

Pictures and images get easily registered in human memory as they make more impact than the texts. It also conveys information in an easy and very simple way as compared to texts. Images are understandable by anyone who does not even know to read and write.
That is why we also see the usage of images or pictures in a lot of places where an idea or an information is conveyed better by the images rather than the texts.




(i) Danger signs in high voltage areas.
(ii) Traffic signs
(iii) Images on carton boxes which convey that the item is fragile and handle with care.                       

How pictures or images are used in mathematics for Data Handling?

Pictographs in mathematics comes under the topic of Data Handling. 
When we have a lot of  data of different types which needs to be compared, it is then when we use images or pictures.
So basically an image is chosen which represents a certain number of items. By using this image we can represent any item having any amount of quantity quite easily.
The examples of the same you will find in the example questions.

How to read and interpret Pictographs?

There are some simple and basic steps that we need to follow in order to understand Pictographs and answer questions based on them.

So let’s understand those steps
Step 1: Identify the image/picture being used to represent data.

Step 2: Figure out how much quantity or what number does that one image represent.

Step 3: Based on the above two observations, solve for what has been asked in the question.




Now, let's have a look at some examples to get better insight of the whole concept of Pictographs!

1. The pictograph shows Priya's collection of different items. Study the graph and answer the following questions.


How many more cards than dolls does she have?

(A) \(14 \)        (B) \(36\)         (C) \(28\)         (D) \(24\)


Firstly, we see that the image used to represent data is a Star.
Then we identify that \(\begin{align}1☆= 7\end{align}\) items.
Now, the question is asking about cards and dolls.
So we spot that there are 6☆ against cards and  \( 4☆\) against dolls.
∴ Cards\(\begin{align}&= {\rm{ }}7 + 7 + 7 + 7 + 7 + 7\,\text{or}\,7 \times 6\\&= {\rm{ }}42\end{align}\)
Dolls \(\begin{align} &= {\rm{ }}7 + 7 + 7 + 7\,\text{or}\,7 \times 6\\ &= {\rm{ }}28\end{align}\)
Cards - Dolls \(\begin{align}= 42 - 28 = 14\end{align}\)
∴ Option A

Practice Questions

Now here are some interesting questions that you can work on based on what we learnt in Pictographs!

1. The pictograph below shows the details of a token exchange counter at a fun fair. Children play games, win tokens and exchange them for toys. Study the graph and answer the following questions.


Mohit won \(10\) tokens at the fun fair. How many more tokens is needed by him to exchange for a toy robot?

(A) \(3\)         (B) \(1\)         (C) \(4 \)        (D) \(2\)

2. How many fewer cheese pizzas than mushroom pizzas are ordered?


 (A) \(4 \)             (B) \(3\)             (C) \(2\)             (D) \(1\)

3. How many Zebras, Giraffes and Lions in all are there in the zoo?


(A) \(14 \)            (B) \(20\)             (C) \(70\)         (D) \(140\)

4. How many more packs of biscuits than popcorn were sold in the month of January?


(A) \(4\)         (B) \(200\)         (C) \(400\)         (D) \(800\)


1. Option C
2. Option A
3. Option C
4. Option D

[1]: https://www.britannica.com/topic/hieroglyph

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