top of page
Inaugurated by IN-SPACe
ISRO Registered Space Tutor

S1-SA1-0644

What is 3 + 6?

Grade Level:

Class 1

Maths, Computing, AI

Definition
What is it?

3 + 6 is an addition problem asking us to combine the numbers 3 and 6 to find their total. Addition means bringing things together to make a larger group or sum. Here, we are combining three items with six items.

Simple Example
Quick Example

Imagine your school cricket team scored 3 runs in the first over and then 6 runs in the second over. To find the total runs scored in both overs, you would add 3 and 6 together.

Worked Example
Step-by-Step

Let's find the answer to 3 + 6:

1. Start with the first number, 3. You can imagine having 3 ladoos.
---
2. Now, we need to add the second number, 6. Imagine someone gives you 6 more ladoos.
---
3. Count all the ladoos you have now. Start from 1, then 2, 3 (these are the first ones).
---
4. Continue counting from where you left off: 4, 5, 6, 7, 8, 9 (these are the new ones).
---
5. When you count all of them together, you will reach 9.
---
So, 3 + 6 = 9.

Why It Matters

Understanding simple addition like 3 + 6 is the basic building block for all of mathematics, computing, and even AI. Engineers use addition to calculate material costs, programmers use it to write code for apps, and AI systems use it for complex data analysis. It's the first step to becoming a scientist or an innovator!

Common Mistakes

MISTAKE: Counting only the second number. For example, starting to count from 6 and adding 3, but not including the original 6. | CORRECTION: Always start counting from the first number and then add the second number to it, or count all items together from scratch.

MISTAKE: Confusing addition with subtraction. Forgetting to combine and instead taking away. | CORRECTION: Remember that '+' sign always means 'put together' or 'find the total'.

MISTAKE: Miscounting when using fingers or objects. Forgetting which numbers have already been counted. | CORRECTION: Use a clear method like drawing lines, using a number line, or counting slowly and carefully, ticking off each item as you count it.

Practice Questions
Try It Yourself

QUESTION: Your mom gave you 4 rupees for a candy, and your dad gave you 5 rupees more. How much money do you have in total? | ANSWER: 9 rupees

QUESTION: A small auto-rickshaw has 2 wheels at the back and 1 wheel at the front. How many wheels does it have in total? | ANSWER: 3 wheels

QUESTION: You saw 5 mangoes in one basket and 4 mangoes in another. If you add 1 more mango to the first basket, how many mangoes are there in total across both baskets now? | ANSWER: 10 mangoes (6 in first, 4 in second)

MCQ
Quick Quiz

What is the sum of 3 and 6?

7

8

9

10

The Correct Answer Is:

C

When you combine 3 items with 6 items, you get a total of 9 items. Options A, B, and D are incorrect as they do not represent the correct total.

Real World Connection
In the Real World

Every time you check your mobile data usage, calculate the total bill for groceries at the local kirana store, or add up your marks in different subjects, you are using addition. Even the app developers who create UPI payment systems use addition to calculate transaction totals.

Key Vocabulary
Key Terms

ADDITION: Combining numbers or quantities to find a total | SUM: The answer you get when you add numbers together | TOTAL: The whole amount or number of something | NUMBER LINE: A straight line with numbers marked at equal intervals, used for counting and calculations

What's Next
What to Learn Next

Great job mastering 3 + 6! Now that you understand basic addition, you can move on to 'What is 7 + 8?' and then 'What is 10 + 10?'. These will help you practice adding slightly larger numbers and build confidence for bigger sums!

bottom of page