**Add and subtract numbers with up to 4 digits using the formal written methods of****columnar addition and subtraction where appropriate**

Year 5 addition and subtraction investigation sheet

**Investigation: Complete the question**

Find the missing digits to complete the number sentence.

## 5? 18?

+?2 ?29

119 515

Explain your method for finding the answer.

Is there another method that you could use?

Can you create a number sentence of your own for somebody else to answer?

Answer:

57 186 + 62 329 = 119 515. There are a number of ways to complete this but the most popular way would be using the formal method and inverse operations to find each missing digit.