This Year 4 Subtract Two 4-Digit Numbers - No Exchange Prior Learning worksheet covers the content from the year before by subtracting numbers with 3 digits to prepare for new learning. This activity is ideal to use at the start of the lesson to identify any gaps or misconceptions in pupils' understanding before moving on to the main teaching. This resource includes a range of question styles, such as fluency and reasoning as well as a variety of representations, such as place value counters and part-whole models.