What is Equal To?

S0-SA1-0600

Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

When we say something is 'equal to' something else, it means they have the exact same value, amount, or quantity. The symbol for 'equal to' is '=', which you see very often in math.

Simple Example

Quick Example

Imagine you have two bowls of ladoos. If the first bowl has 5 ladoos and the second bowl also has 5 ladoos, then the number of ladoos in the first bowl is equal to the number of ladoos in the second bowl. We can write this as: 5 ladoos = 5 ladoos.

Worked Example

Step-by-Step

Let's say your friend scored 85 marks in their Science exam. You want to know if your Math exam score is equal to their Science score.
1. Check your Math exam score. Let's say you scored 85 marks.
2. Compare your score (85) with your friend's score (85).
3. Since 85 is exactly the same as 85, your Math score is equal to your friend's Science score.
4. We can write this as: Your Math Score = Friend's Science Score, or 85 = 85.
Answer: Yes, your Math score is equal to your friend's Science score.

Why It Matters

Understanding 'equal to' is the foundation for all of mathematics and science! It helps you balance equations, solve problems in physics, and even manage money. Engineers, scientists, and even shopkeepers use this concept daily to make sure things are fair and accurate.

Common Mistakes

MISTAKE: Confusing 'equal to' with 'similar to' or 'almost equal'. For example, thinking 9 is equal to 10 because they are close. | CORRECTION: 'Equal to' means exactly the same value. 9 is not equal to 10.

MISTAKE: Only thinking 'equal to' applies to single numbers. For example, thinking 5 = 5 is correct, but 2+3 = 5 is not an 'equal to' statement. | CORRECTION: 'Equal to' means the value on one side of the '=' sign is the same as the value on the other side, even if it's an expression like 2+3.

MISTAKE: Not understanding that the order doesn't matter for equality. For example, thinking 5 = 2+3 is correct but 2+3 = 5 is somehow different. | CORRECTION: If A = B, then B = A. The 'equal to' relationship works both ways.

Practice Questions

Try It Yourself

QUESTION: Is 7 + 3 equal to 10? | ANSWER: Yes

QUESTION: Your phone has 500 MB of data left. Your friend's phone has 0.5 GB of data left. Is your data equal to your friend's data? (Hint: 1 GB = 1000 MB) | ANSWER: Yes, because 0.5 GB is 500 MB. So, 500 MB = 500 MB.

QUESTION: If a cricket team scored 180 runs in 20 overs, and another team scored 90 runs in 10 overs, are their average runs per over equal? Show your working. | ANSWER: First team: 180 runs / 20 overs = 9 runs per over. Second team: 90 runs / 10 overs = 9 runs per over. Yes, their average runs per over are equal (9 runs/over = 9 runs/over).

MCQ

Quick Quiz

Which of the following statements correctly uses the 'equal to' concept?

A cricket match started at 9 AM and ended at 5 PM, so 8 hours is equal to 9 hours.

The price of one chai is ₹10, and the price of two chais is ₹20. So, ₹10 = ₹20.

You have 4 apples, and your friend has 2 + 2 apples. So, 4 apples = 2 + 2 apples.

A bus travels 50 km in 1 hour, and a car travels 60 km in 1 hour. So, 50 km = 60 km.

The Correct Answer Is:

Option C is correct because 4 is equal to 2 + 2 (which is 4). Options A, B, and D incorrectly compare values that are not the same.

Real World Connection

In the Real World

When you buy groceries, the shopkeeper calculates the total bill. If you buy items worth ₹150 and pay with a ₹200 note, the change you get (₹50) is equal to ₹200 minus ₹150. This simple 'equal to' logic is used in every transaction, from small kirana shops to big online payment apps like UPI.

Key Vocabulary

Key Terms

EQUAL: Having the same value, amount, or quantity. | VALUE: The numerical amount of something. | QUANTITY: How much of something there is. | BALANCE: To make both sides of an equation or comparison the same.

What's Next

What to Learn Next

Great job understanding 'equal to'! Now you're ready to explore 'greater than' and 'less than'. These concepts build directly on equality and help you compare different values, which is super useful in all kinds of math problems!