1. Objective Use written column addition to add three- or four-digit whole numbers. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1

2. Step 1: Write the numbers in columns, one above the other. 100s 10s 1s 8 7 5 + 4 6 8 Step 2: Add the ones. Write the tens in the 10s column. 100s 10s 1s 8 7 5 + 4 6 8 1 3 Hint: Leave a space before drawing the line so you have somewhere to write the extra tens and hundreds digits.

3. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Step 3: Add the tens, including the extra ten. Write the hundreds in the 100s column. 100s 10s 1s 8 7 5 + 4 6 8 1 1 4 3 Step 4: Add the hundreds, writing the extra thousand in the thousands column. 1000s 100s 10s 1s 8 7 5 + 4 6 8 1 1 1 1 3 4 3 Hint: Check that your answer looks reasonable!

4. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Choose pairs to add using column addition to make a total greater than 1000. 1000s 100s 10s 1s 5 8 7 + 4 5 2 1000s 100s 10s 1s 5 8 7 + 4 5 2 587 Hint: Lay the sum out like the first one. Remember to leave a space before the line! 726 435 834 236 452 569

5. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Step 1: Write the numbers in columns, one above the other. 1000s 100s 10s 1s 3 7 8 6 + 2 7 4 5 Step 2: Add the ones. Write the tens in the 10s column. 1000s 100s 10s 1s 3 7 8 6 + 2 7 4 5 1 Remember to leave a space before drawing the line.

6. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Step 3: Add the tens, including the extra ten. Write the hundreds in the 100s column. 1000s 100s 10s 1s 3 7 8 6 + 2 7 4 5 1 1 3 1 Step 4: Add the hundreds writing the extra thousand in the thousands column. 1000s 100s 10s 1s 3 7 8 6 + 2 7 4 5 1 1 1 5 3 1

7. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Step 5: Complete the addition by adding the thousands. Be ready to write the extra ten thousand. 10000s 1000s 100s 10s 1s 3 7 8 6 + 2 7 4 5 1 1 1 6 5 3 1 Check that your answer looks reasonable!

8. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1 Think & Explain Which pair will have a total closest to 10,000? Add each pair of numbers. 1. 635 + 387 2.2097 + 5653 3.1959 + 2844 4.7615 + 2748 5.6854 + 8693 1. 635 + 387 2.2097 + 5653 3.1959 + 2844 4.7615 + 2748 5.6854 + 8693