NCERT Addition Class 1 Maths - Step-by-Step Guide

What is Addition? Putting Things Together!

Addition is the mathematical process of combining two or more groups of items into one big group. For example, if you have 3 bright blue balloons and your friend gives you 2 yellow balloons, you put them all in one basket. When you count them all together (1, 2, 3, 4, 5), you get 5 balloons!

In mathematics, we use a special cross symbol called the plus sign (+) to show addition. We also use the equals sign (=) to show what the final total is. So, we write our balloon story as:

3 + 2 = 5

We read this as "Three plus two is equal to five." Learning addition helps you count toys, share chocolates, and understand how numbers grow bigger!

Two Simple Ways to Add Numbers

1. Method 1: Drawing Lines (Stick Method) — To add 4 + 3, draw 4 vertical lines on your paper first: ||||. Next, draw 3 more lines: |||. Finally, count all the lines together from the beginning to find the total sum: 1, 2, 3, 4, 5, 6, 7. So, 4 + 3 = 7.
2. Method 2: Counting on Fingers — Open 3 fingers on your left hand. Now open 2 fingers on your right hand. Count all the open fingers together: 1, 2, 3, 4, 5. This shows that 3 + 2 = 5. Finger counting is perfect for quick addition!

Solved Examples for Class 1 Addition

• Example 1: Adding with pictures. 5 stars + 3 stars. Step 1: Draw 5 stars (⭐⭐⭐⭐⭐). Step 2: Draw 3 more stars (⭐⭐⭐). Step 3: Count them together: 1, 2, 3, 4, 5, 6, 7, 8. So, 5 + 3 = 8.
• Example 2: Adding Zero. 6 candies + 0 candies. Step 1: You have 6 yummy candies. Step 2: Zero (0) means 'nothing'. So, you get 0 extra candies. Step 3: Your candy count stays exactly the same. So, 6 + 0 = 6.
• Example 3: Changing the order of numbers. Let's add 2 + 4, and then 4 + 2. Step 1: Draw 2 dots and 4 dots. Count together to get 6. Step 2: Now draw 4 dots and 2 dots. Count together to get 6. Both give the same answer! So, 2 + 4 = 4 + 2 = 6.

Important Tricks and Rules for Young Mathematicians

Here are some awesome tips to remember while solving your class 1 math questions:

• The Zero Rule: Any number plus zero is always that same number! For example, 7 + 0 is still 7, and 9 + 0 is still 9. Zero has no value to add.
• Order doesn't matter: It doesn't matter which number comes first! 3 + 1 gives 4, and 1 + 3 also gives 4. You can swap them around to make counting easier.
• Always double-check: After drawing lines or counting fingers, point your pencil at each line and count aloud slowly to avoid skipping any numbers!

Practice Questions with Solutions

• Q: Neha has 4 pencils. Her brother gives her 2 more pencils. How many pencils does Neha have now? A: Step 1: Identify the numbers. Neha has 4 pencils. She gets 2 more pencils. Step 2: Write down the addition sum: 4 + 2. Step 3: Draw lines for each number: Draw 4 lines (||||) and then draw 2 lines (||). Step 4: Count all lines together: 1, 2, 3, 4, 5, 6. Final answer: Neha has 6 pencils in total.
• Q: Find the sum: 5 + 4 = ? A: Step 1: Write down the equation: 5 + 4. Step 2: Keep 5 in your mind. Now open 4 fingers on your hand. Step 3: Count forward from 5 using your 4 open fingers: 6, 7, 8, 9. Final answer: 5 + 4 = 9.
• Q: Add the numbers: 7 + 0 = ? A: Step 1: Write down the sum: 7 + 0. Step 2: Recall the magic Zero Rule. Adding 0 to any number does not change its value. Step 3: The number remains 7. Final answer: 7 + 0 = 7.
• Q: Rohit has 3 toy cars. He gets 3 more toy cars on his birthday. How many toy cars does he have altogether? A: Step 1: Rohit has 3 toy cars. He gets 3 more. Step 2: Write the sum: 3 + 3. Step 3: Draw 3 circles (◯◯◯) and another 3 circles (◯◯◯). Step 4: Count all circles together: 1, 2, 3, 4, 5, 6. Final answer: Rohit has 6 toy cars in total.

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