What is 2 × 8?

S1-SA1-0664

Grade Level:

Class 2

Maths, Computing, AI

Definition

What is it?

2 × 8 means adding the number 2, eight times. It is a basic multiplication problem where you find the total when you have 8 groups of 2 items each.

Simple Example

Quick Example

Imagine you have 8 friends, and each friend gives you 2 laddoos. To find out how many laddoos you have in total, you would calculate 2 × 8.

Worked Example

Step-by-Step

Let's find the value of 2 × 8.
1. We need to add the number 2, eight times.
2. Start with 2.
3. Add 2 again: 2 + 2 = 4
4. Add 2 again: 4 + 2 = 6
5. Add 2 again: 6 + 2 = 8
6. Add 2 again: 8 + 2 = 10
7. Add 2 again: 10 + 2 = 12
8. Add 2 again: 12 + 2 = 14
9. Add 2 again: 14 + 2 = 16
So, 2 × 8 = 16.

Why It Matters

Understanding multiplication is key for many advanced topics in Maths and Computing. It helps you quickly calculate things in daily life and is used by engineers to design buildings, by game developers to create virtual worlds, and by data scientists to analyze large amounts of information.

Common Mistakes

MISTAKE: Adding 2 and 8 (2 + 8 = 10) instead of multiplying. | CORRECTION: Remember '×' means multiplication, which is repeated addition, not simple addition.

MISTAKE: Counting incorrectly when doing repeated addition, like skipping a number or adding 2 seven times instead of eight. | CORRECTION: Always double-check your count. You are adding 2 a total of EIGHT times.

MISTAKE: Confusing 2 × 8 with 8 ÷ 2. | CORRECTION: Multiplication (×) finds a total from groups, while division (÷) splits a total into groups.

Practice Questions

Try It Yourself

QUESTION: A shopkeeper sells samosas for ₹2 each. If a customer buys 8 samosas, how much money does the customer pay? | ANSWER: ₹16

QUESTION: If you read 2 pages of a storybook every day, how many pages will you have read in 8 days? | ANSWER: 16 pages

QUESTION: Your friend has 8 boxes of crayons. Each box has 2 crayons. If your friend gives you 3 boxes, how many crayons do you have? | ANSWER: 6 crayons

MCQ

Quick Quiz

Which of these is the correct way to think about 2 × 8?

Adding 2 and 8

Subtracting 2 from 8

Adding 2, eight times

Dividing 8 by 2

The Correct Answer Is:

2 × 8 means adding the number 2 repeatedly for 8 times. Options A, B, and D describe different mathematical operations.

Real World Connection

In the Real World

When you buy things from a local kirana store or order groceries using apps like Zepto, the billing system uses multiplication to calculate the total cost. If you buy 8 packets of biscuits that cost ₹2 each, the system instantly calculates 2 × 8 = ₹16.

Key Vocabulary

Key Terms

MULTIPLICATION: A mathematical operation that finds the total of a number when it is added to itself a certain number of times | PRODUCT: The answer to a multiplication problem | FACTOR: The numbers being multiplied together (in 2 × 8, both 2 and 8 are factors) | REPEATED ADDITION: Adding the same number multiple times, which is what multiplication does

What's Next

What to Learn Next

Great job understanding 2 × 8! Next, you should learn about other multiplication tables, like 3 × 7 or 4 × 5. This will help you become super fast at calculations and solve more complex problems easily.