What is the Number Before Five?

S0-SA1-1131

Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

The number before five is the whole number that comes immediately before five when you count upwards. It is one less than five. Think of it as taking one step back from five on a number line.

Simple Example

Quick Example

Imagine you have 5 delicious ladoos. If you eat just one ladoo, how many are left? You would have 4 ladoos remaining. So, the number before five is four.

Worked Example

Step-by-Step

Let's find the number before five using counting:
1. Start counting from one: One, Two, Three, Four, Five.
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2. Stop when you reach 'Five'.
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3. Now, look at the number you said just before 'Five'.
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4. That number is 'Four'.
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Answer: The number before five is 4.

Why It Matters

Understanding 'before' and 'after' numbers is a basic building block for all math. It helps in simple calculations and problem-solving. This skill is crucial for careers like accounting, engineering, and even managing a small business.

Common Mistakes

MISTAKE: Saying 'six' because it's a bigger number | CORRECTION: 'Before' means smaller, so you need to count backwards or subtract one.

MISTAKE: Confusing 'before' with 'after' | CORRECTION: 'Before' means the number that comes first when counting up, while 'after' means the number that comes next.

MISTAKE: Not understanding 'one less' | CORRECTION: The number before any number is always that number minus one (e.g., 5 - 1 = 4).

Practice Questions

Try It Yourself

QUESTION: Which number comes just before 3? | ANSWER: 2

QUESTION: If you are on the 7th floor of a building, and you go down one floor, which floor are you on? | ANSWER: 6th floor

QUESTION: My older brother is 10 years old. I am one year younger than him. How old am I? | ANSWER: 9 years old

MCQ

Quick Quiz

What is the number that comes immediately before 5?

The Correct Answer Is:

The number before 5 is 4 because 4 is one less than 5. Counting up, 4 comes right before 5.

Real World Connection

In the Real World

When you are watching a cricket match, sometimes the commentators will say, 'The score is 150 runs, but before that, it was 149 runs.' This is an example of knowing the number before. Or, when you dial a phone number, you press the digits in a specific order, and the number before the last one is also important!

Key Vocabulary

Key Terms

BEFORE: The number that comes earlier or is smaller by one | COUNTING: Saying numbers in order | NUMBER LINE: A straight line with numbers placed at equal intervals | SUBTRACTION: Taking away one number from another

What's Next

What to Learn Next

Great job understanding 'before'! Now, you can learn 'What is the Number After Five?'. This will help you understand how numbers progress and build your foundation for addition and subtraction even better.