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What is Shrinking (a picture)?
Grade Level:
Pre-School – Class 2
All domains without exception
Definition
What is it?
Shrinking a picture means making it smaller in size. When you shrink a picture, its height and width both become less, but the picture still looks the same, just a miniature version.
Simple Example
Quick Example
Imagine you have a big poster of your favourite cricketer. If you want to put that same picture on a small photo frame on your desk, you would need to shrink the poster so it fits. The picture is still of the same cricketer, but it's now much smaller.
Worked Example
Step-by-Step
Let's say you have a digital picture that is 1000 pixels wide and 800 pixels tall. You want to shrink it to half its original size.
1. Find the original width: 1000 pixels.
2. Find the original height: 800 pixels.
3. To shrink it to half, divide the width by 2: 1000 / 2 = 500 pixels.
4. Divide the height by 2: 800 / 2 = 400 pixels.
5. The new, shrunk picture will be 500 pixels wide and 400 pixels tall.
Answer: The shrunk picture is 500 pixels wide and 400 pixels tall.
Why It Matters
Understanding shrinking is important in many fields, from designing websites to creating movies. Graphic designers use it to fit images on screens, and animators use it to create effects. It's a fundamental skill for anyone working with digital media.
Common Mistakes
MISTAKE: Thinking that shrinking only changes one side (width or height) of a picture. | CORRECTION: When you shrink a picture, you usually change both its width and height proportionally to avoid making it look stretched or squashed.
MISTAKE: Believing that shrinking a picture makes it blurry or pixelated. | CORRECTION: Shrinking a picture, if done correctly, keeps it clear. Blurriness usually happens when you try to ENLARGE a small picture too much.
MISTAKE: Confusing 'shrinking' with 'cropping'. | CORRECTION: Shrinking makes the whole picture smaller. Cropping cuts off parts of the picture, making it smaller by removing edges, not by reducing the overall scale.
Practice Questions
Try It Yourself
QUESTION: A picture is 20 cm wide and 15 cm tall. If you shrink it to one-fifth (1/5) of its size, what will be its new width and height? | ANSWER: New width = 4 cm, New height = 3 cm
QUESTION: You have a photo that is 600 pixels by 400 pixels. You want to make it 25% smaller. What will be the new dimensions? (Hint: 25% smaller means 75% of the original size). | ANSWER: New width = 450 pixels, New height = 300 pixels
QUESTION: Your school website needs a logo that is 1/4th the size of the original. If the original logo is 800 pixels wide and 200 pixels tall, and then you need to shrink it further to fit a small mobile app icon which is half the size of the website logo, what are the final dimensions for the mobile app icon? | ANSWER: Final width = 100 pixels, Final height = 25 pixels
MCQ
Quick Quiz
What happens to a picture when you shrink it?
It gets blurry.
It becomes taller but not wider.
It becomes smaller in both width and height.
It changes its colours.
The Correct Answer Is:
C
When you shrink a picture, its overall size reduces, meaning both its width and height become smaller. Options A, B, and D describe other changes, not the core idea of shrinking.
Real World Connection
In the Real World
When you upload your profile picture to Instagram or WhatsApp, the app often automatically shrinks your large photo to a smaller, more manageable size. This makes the app load faster and saves mobile data for everyone, which is super useful in India where many use limited data plans.
Key Vocabulary
Key Terms
PIXELS: Small dots that make up a digital image | DIMENSIONS: The size of a picture, usually described by its width and height | PROPORTIONALLY: Changing all parts in the same ratio to keep the original look | CROPPING: Cutting off parts of an image to change its shape or focus
What's Next
What to Learn Next
Now that you understand shrinking, you can explore 'Enlarging a Picture'. It's the opposite process and uses similar ideas, helping you understand how to make images bigger without losing quality. Keep up the great work!
