What is 10 × 11?

S1-SA1-0719

Grade Level:

Class 3

Maths, Computing, AI

Definition

What is it?

10 × 11 means adding the number 11, ten times. It is a basic multiplication problem where you find the product of 10 and 11.

Simple Example

Quick Example

Imagine you have 10 friends, and each friend gives you 11 ladoos. To find out the total number of ladoos you have, you would multiply 10 by 11. That's 110 ladoos!

Worked Example

Step-by-Step

Let's calculate 10 × 11:

Step 1: Remember that multiplying by 10 is very easy. You just write the other number and add a zero at the end.
---Step 2: Take the number 11.
---Step 3: Add a zero at the end of 11.
---Step 4: So, 11 becomes 110.
---Answer: 10 × 11 = 110

Why It Matters

Understanding multiplication like this is super important for everyday calculations and even for advanced fields. In Computing, it helps in counting data or processing information quickly. AI models use similar math for pattern recognition, and even game developers use it to calculate scores or distances, opening doors to exciting tech careers.

Common Mistakes

MISTAKE: Thinking 10 × 11 is the same as 10 + 11. | CORRECTION: Multiplication means repeated addition, not just a single addition. 10 + 11 = 21, but 10 × 11 = 110.

MISTAKE: Forgetting to add the zero when multiplying by 10. | CORRECTION: When you multiply any whole number by 10, just write the number and put a '0' at its end. For example, 11 × 10 is 110.

MISTAKE: Confusing the order of numbers, thinking 10 × 11 is different from 11 × 10. | CORRECTION: Multiplication is commutative, which means the order doesn't change the product. 10 × 11 is the same as 11 × 10, both equal 110.

Practice Questions

Try It Yourself

QUESTION: What is 10 × 7? | ANSWER: 70

QUESTION: A bus has 10 rows of seats, and each row has 12 seats. How many seats are there in total? | ANSWER: 120 seats

QUESTION: If you buy 10 packets of biscuits, and each packet costs ₹15, how much money do you need? | ANSWER: ₹150

MCQ

Quick Quiz

What is the product of 10 and 11?

110

101

The Correct Answer Is:

The product of 10 and 11 is 110. Options A, C, and D are incorrect as they represent addition or incorrect multiplication.

Real World Connection

In the Real World

Imagine you are helping your parents calculate expenses. If you buy 10 kg of rice at ₹11 per kg, you use 10 × 11 to quickly find the total cost of ₹110. This simple math helps shopkeepers, delivery agents like those at Zepto, and even you manage daily money matters efficiently.

Key Vocabulary

Key Terms

MULTIPLY: To combine numbers by repeated addition | PRODUCT: The result of multiplication | TENS PLACE: The second digit from the right in a whole number | COMMUTATIVE PROPERTY: The property that states the order of numbers in multiplication doesn't change the result

What's Next

What to Learn Next

Great job understanding 10 × 11! Next, you can explore multiplying by other two-digit numbers, like 12 × 13. This will build on your multiplication skills and make bigger calculations much easier.