What is Making Less?

S0-SA1-0729

Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

Making Less means to reduce the quantity, amount, or value of something. It involves starting with a certain number and ending with a smaller number after an operation. This concept is fundamental to understanding subtraction and decrease.

Simple Example

Quick Example

Imagine you have 5 delicious ladoos. If you eat 2 of them, you will have fewer ladoos left. You started with 5, and now you have 3. This is making less, as the number of ladoos has decreased.

Worked Example

Step-by-Step

Let's say your mom gave you ₹50 to buy vegetables. You bought tomatoes for ₹20.
---Step 1: Start with the total money you had: ₹50.
---Step 2: Identify the amount you spent: ₹20.
---Step 3: To find out how much money is left (making less), subtract the spent amount from the total amount. Calculation: ₹50 - ₹20.
---Step 4: Perform the subtraction: 50 minus 20 equals 30.
---Answer: You have ₹30 left. The money you have has become less.

Why It Matters

Understanding 'making less' is crucial for managing money, planning daily activities, and solving problems in science and technology. It's used by shopkeepers to calculate change, engineers to reduce material waste, and even by scientists to track population decline. Mastering this helps you make smart decisions every day!

Common Mistakes

MISTAKE: Adding instead of subtracting when the problem asks for a decrease or 'how much is left'. | CORRECTION: Always read the question carefully for keywords like 'left', 'remaining', 'decrease', 'take away', or 'spent' which indicate subtraction.

MISTAKE: Subtracting the larger number from the smaller number by mistake. | CORRECTION: Always subtract the smaller number from the larger number when finding 'how much less' or a positive difference.

MISTAKE: Not aligning numbers correctly by place value during subtraction (ones under ones, tens under tens). | CORRECTION: When writing numbers for subtraction, make sure their place values are perfectly aligned to avoid errors.

Practice Questions

Try It Yourself

QUESTION: A bus started with 30 passengers. At the first stop, 10 passengers got off. How many passengers are left on the bus? | ANSWER: 20 passengers

QUESTION: Your phone had 85% battery. After playing a game, it shows 60% battery. How much battery percentage did you lose (make less)? | ANSWER: 25%

QUESTION: Priya had ₹100. She bought a packet of biscuits for ₹25 and a juice box for ₹30. How much money does she have left? | ANSWER: ₹45

MCQ

Quick Quiz

Which of these situations shows 'making less'?

Adding 5 more apples to a basket of 10 apples.

Your cricket score increasing from 50 runs to 75 runs.

Spending ₹50 from your ₹100 pocket money.

The temperature rising from 25 degrees Celsius to 30 degrees Celsius.

The Correct Answer Is:

Option C shows spending money, which means the amount of money you have decreases, or becomes less. The other options show an increase or addition.

Real World Connection

In the Real World

When you check your mobile data balance and see it has reduced after watching videos, that's 'making less'. Similarly, when a shopkeeper gives you change after you buy something, they are calculating 'how much less' money they owe you from the amount you paid. This concept is vital for digital payments like UPI, where your bank balance decreases after a transaction.

Key Vocabulary

Key Terms

DECREASE: To become smaller in size, amount, or number. | SUBTRACTION: The process of taking one number or amount away from another. | REMAINING: The part that is left after other parts have been taken away or used. | REDUCE: To make something smaller or less in amount. | DIFFERENCE: The result of subtracting one number from another.

What's Next

What to Learn Next

Now that you understand 'making less', you are ready to learn about 'Subtraction of Larger Numbers' and 'Estimating Differences'. These concepts will help you apply what you've learned to bigger problems and make quick, smart guesses in daily life!