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

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Presentation transcript:

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

© Hamilton Trust Keeping Up Term 3 Week 2 Day 1 Step 1: Write the numbers in columns, one above the other. 100s 10s 1s Step 2: Add the ones. Write the tens in the 10s column. 100s 10s 1s Hint: Leave a space before drawing the line so you have somewhere to write the extra tens and hundreds digits.

© Hamilton Trust Keeping 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 Step 4: Add the hundreds, writing the extra thousand in the thousands column. 1000s 100s 10s 1s Hint: Check that your answer looks reasonable!

© Hamilton Trust Keeping Up Term 3 Week 2 Day 1 Choose pairs to add using column addition… to make the total nearest s 100s 10s 1s s 100s 10s 1s Hint: Lay the sum out like the first one. Remember to leave a space before the line!

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

© Hamilton Trust Keeping 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 Step 4: Add the hundreds writing the extra thousand in the thousands column. 1000s 100s 10s 1s

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

© Hamilton Trust Keeping Up Term 3 Week 2 Day 1 Add each set of numbers. Hint: Remember to leave a space before you draw the line!