NumberKS3 / GCSE

Column addition

Add whole numbers using aligned place-value columns.

  • Line up ones, tens, hundreds and thousands.
  • Start in the ones column and work left.
  • Write the ones digit of each column total and carry its tens.

Example 1

Calculate using a written method.

Line up equal place values.

Example 2

Calculate using a written method.

Line up equal place values.

Remember
Use the diagrams to track each step, then check your answer.

Your turn

Question 1

Calculate using a written method.

Check answer

Line up equal place values.

Question 2

Calculate using a written method.

Check answer

Line up equal place values.

Question 3

Calculate using a written method.

Check answer

Line up equal place values.

Question 4

Calculate using a written method.

Check answer

Line up equal place values.

Question 5

Calculate using a written method.

Check answer

Line up equal place values.

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