Mastering Column Addition with Carrying

Year 4 Mathematics Adding Two-Digit Numbers Formal Written Methods

What is Column Addition?

A neat way to add numbers Numbers are written one above the other Tens and ones are aligned in columns Helps us solve addition problems step by step

Place Value Warm-Up

Look at the number 47 How many tens? How many ones? Write it in a place value chart Share your answer with a partner

Column Addition Without Carrying

Step 1: Write numbers in columns Step 2: Add the ones first Step 3: Add the tens Step 4: Write your answer

Let's Try One Together!

Add: 34 + 25 What do we do first? Show your working on your mini-whiteboard

What is Carrying?

When ones add up to more than 9 We write the ones digit in the answer We carry the tens digit to the tens column Example: 7 + 6 = 13 (write 3, carry 1)

Column Addition with Carrying: Step by Step

Your Turn to Practice!

Complete the worksheet problems Section A: No carrying needed Section B: Carrying required Show all your working clearly