What is The Number 120?

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Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

The number 120 is a whole number that comes after 119 and before 121. It is an even number, which means it can be divided equally into two groups. It's often used in counting, measurements, and calculations.

Simple Example

Quick Example

Imagine you have 120 laddoos for a big family gathering. This means you have exactly one hundred and twenty laddoos to share with everyone.

Worked Example

Step-by-Step

Let's say you have 10 packets of crayons, and each packet has 12 crayons. How many crayons do you have in total? --- Step 1: Identify the number of packets: 10 --- Step 2: Identify the number of crayons in each packet: 12 --- Step 3: Multiply the number of packets by the number of crayons per packet: 10 x 12 --- Step 4: Perform the multiplication: 10 x 12 = 120 --- Answer: You have 120 crayons in total.

Why It Matters

Understanding numbers like 120 is fundamental for everything from managing your pocket money to understanding cricket scores. It's crucial for careers in finance, engineering, and even cooking, where precise measurements are key.

Common Mistakes

MISTAKE: Confusing 120 with 12 or 1200 | CORRECTION: Always check the number of digits and their place values carefully. 120 has three digits, with 1 in the hundreds place.

MISTAKE: Thinking 120 is an odd number | CORRECTION: An even number always ends with 0, 2, 4, 6, or 8. Since 120 ends with 0, it is an even number.

MISTAKE: Incorrectly writing 'one hundred twenty' as 'one hundred and two zero' | CORRECTION: The correct way to write the number in words is 'one hundred twenty' or 'one hundred and twenty'.

Practice Questions

Try It Yourself

QUESTION: If a bus has seats for 60 passengers, how many passengers can two such buses carry? | ANSWER: 120 passengers

QUESTION: You have 12 friends, and you want to give each friend 10 small chocolates. How many chocolates do you need in total? | ANSWER: 120 chocolates

QUESTION: A shopkeeper sells 12 items every hour. If he works for 10 hours a day, and takes a break for 2 hours, how many items does he sell in one day? | ANSWER: He works for 8 hours (10 - 2). So, 12 items/hour * 8 hours = 96 items. (Wait, the question is about 120, let's rephrase this for 120). QUESTION: A shopkeeper sells 12 items every hour. If he works for 10 hours a day, how many items does he sell in total over two days? | ANSWER: In one day, he sells 12 items/hour * 10 hours = 120 items. Over two days, he sells 120 items * 2 = 240 items. (Still not 120). Let's try again. QUESTION: A baker bakes 10 cakes every hour. If he works for 12 hours straight, how many cakes will he bake? | ANSWER: 120 cakes

MCQ

Quick Quiz

Which of the following statements about the number 120 is true?

It is an odd number.

It comes before 119.

It is exactly ten times the number 12.

It has only two digits.

The Correct Answer Is:

120 is an even number, not odd. It comes after 119. It has three digits. 12 multiplied by 10 gives 120, so option C is correct.

Real World Connection

In the Real World

The number 120 appears in many daily situations. For example, a standard 120-minute (2-hour) movie is a common duration. Many mobile data plans might offer a total of 120 GB per month. Even in cricket, a team might score 120 runs in a T20 match.

Key Vocabulary

Key Terms

WHOLE NUMBER: A number without fractions or decimals, like 0, 1, 2, 3... | EVEN NUMBER: A whole number that can be divided by 2 without a remainder | PLACE VALUE: The value of a digit based on its position in a number (e.g., in 120, '1' is in the hundreds place) | DIGIT: A symbol used to write numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

What's Next

What to Learn Next

Now that you understand what the number 120 is, you can explore larger numbers and learn about operations like addition, subtraction, multiplication, and division with them. This will help you solve more complex problems in maths and real life!