What is 5 + 5?

S1-SA1-0649

Grade Level:

Class 1

Maths, Computing, AI

Definition

What is it?

5 + 5 is an addition problem that asks you to combine two groups of five items. Addition is one of the basic math operations where you find the total number when you put two or more numbers together.

Simple Example

Quick Example

Imagine you have 5 rupees in your left pocket and 5 rupees in your right pocket. If you combine all the money, how many rupees do you have in total? You add 5 + 5 to find the answer.

Worked Example

Step-by-Step

Let's find the total of 5 + 5 using counting:
1. Start with the first number, which is 5.
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2. Now, count 5 more numbers forward from 5.
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3. Count: 6 (1st count), 7 (2nd count), 8 (3rd count), 9 (4th count), 10 (5th count).
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4. You have reached 10.
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So, 5 + 5 = 10.

Why It Matters

Understanding basic addition like 5 + 5 is the foundation for all of maths, computing, and even AI. Engineers use addition to calculate loads, data scientists use it to sum up data points, and AI models use it in complex calculations. It's crucial for careers in software development, finance, and engineering.

Common Mistakes

MISTAKE: Counting incorrectly, like starting to count from 5 again instead of continuing from 5. For example, counting 1, 2, 3, 4, 5 for the second '5'. | CORRECTION: Start with the first number (5), then count '5 more' numbers from there (6, 7, 8, 9, 10).

MISTAKE: Forgetting to add the second number completely. For example, just saying '5' as the answer. | CORRECTION: Remember that addition means combining two numbers, so you must account for both numbers in the sum.

MISTAKE: Confusing addition with subtraction or multiplication. For example, thinking 5 + 5 is 5 - 5 or 5 x 5. | CORRECTION: Addition means 'putting together' or 'finding the total'. Look for the '+' sign.

Practice Questions

Try It Yourself

QUESTION: Your friend gave you 5 laddoos, and you already had 5. How many laddoos do you have in total? | ANSWER: 10 laddoos

QUESTION: If you score 5 runs in the first over of a cricket match and 5 runs in the second over, what is your total score after two overs? | ANSWER: 10 runs

QUESTION: A small auto-rickshaw fare is 5 rupees. If you need to pay for two such fares, how much money do you need? | ANSWER: 10 rupees

MCQ

Quick Quiz

What is the sum of five and five?

The Correct Answer Is:

When you add 5 to 5, you combine the two quantities. Counting 5 steps forward from 5 (6, 7, 8, 9, 10) gives you 10. Options A, B, and D are incorrect as they represent subtraction, one of the numbers, or multiplication respectively.

Real World Connection

In the Real World

Every time you pay for two items costing 5 rupees each using UPI or cash, you're doing 5 + 5. For example, buying two small packets of chips that cost 5 rupees each means you pay a total of 10 rupees. Even calculating how many players are on two cricket teams involves basic addition.

Key Vocabulary

Key Terms

ADDITION: The process of combining numbers to find their total | SUM: The result obtained from adding two or more numbers | TOTAL: The whole amount or number | NUMBER LINE: A visual representation of numbers in order

What's Next

What to Learn Next

Great job understanding 5 + 5! Next, you can explore adding different single-digit numbers, like 6 + 4 or 7 + 3. This will help you become faster and more confident with basic addition, which is key for bigger math problems!