What is 1 + 7?

S1-SA1-0631

Grade Level:

Class 1

Maths, Computing, AI

Definition

What is it?

1 + 7 is an addition problem where you combine the number 1 and the number 7. Addition means finding the total when two or more numbers are put together. It helps us count how many items we have in all.

Simple Example

Quick Example

Imagine you have 1 cricket bat. Your friend gives you 7 more cricket bats. To find out how many bats you have in total, you add 1 and 7. This gives you your total number of bats.

Worked Example

Step-by-Step

Let's calculate 1 + 7:

Step 1: Start with the first number, which is 1.
---Step 2: Now, add the second number, which is 7.
---Step 3: You can count forward from 1, seven times: 1... (add 1) is 2, (add 1) is 3, (add 1) is 4, (add 1) is 5, (add 1) is 6, (add 1) is 7, (add 1) is 8.
---Step 4: So, when you combine 1 and 7, you get 8.

Answer: 1 + 7 = 8

Why It Matters

Understanding addition is the very first step in Maths and is super important for Computing and AI. Engineers use addition to calculate how much material is needed for buildings, and computer programmers use it for counting data. Even AI uses basic addition to process information and make decisions, like calculating scores in a game.

Common Mistakes

MISTAKE: Counting incorrectly and getting 7 or 9 as the answer. | CORRECTION: Always start counting from the first number and add the second number exactly, one by one, or use your fingers carefully.

MISTAKE: Thinking 1 + 7 is the same as 1 x 7. | CORRECTION: Addition ( + ) means combining, while multiplication ( x ) means adding the same number multiple times. They are different operations.

MISTAKE: Forgetting to add the first number itself when counting on. | CORRECTION: Start with the first number and then count up the second number from there. For 1 + 7, start at 1, then count 7 more: 2, 3, 4, 5, 6, 7, 8.

Practice Questions

Try It Yourself

QUESTION: If you have 1 rupee and your mother gives you 7 more rupees, how many rupees do you have in total? | ANSWER: 8 rupees

QUESTION: A bus has 1 passenger. At the next stop, 7 more passengers get on. How many passengers are on the bus now? | ANSWER: 8 passengers

QUESTION: You are building a tower with blocks. You place 1 block, then add 7 more blocks. If you then remove 2 blocks, how many blocks are left in your tower? | ANSWER: 6 blocks

MCQ

Quick Quiz

What is the result of adding 1 and 7?

The Correct Answer Is:

When you combine 1 and 7, you get a total of 8. Options A, B, and D are incorrect because they do not represent the sum of 1 and 7.

Real World Connection

In the Real World

When you buy street food like a vada pav for 1 rupee and a chai for 7 rupees, you use addition to know the total money you need to pay the vendor. Even delivery apps like Swiggy or Zomato use addition to calculate your total bill when you order multiple items.

Key Vocabulary

Key Terms

ADDITION: The process of combining numbers to find a total | SUM: The result you get after adding numbers | TOTAL: The final amount after combining things | NUMBER: A count or measure

What's Next

What to Learn Next

Great job understanding 1 + 7! Next, you can learn about adding larger numbers and then explore subtraction. These skills are like building blocks for all other math concepts.