Sacred Heart Primary School Calculation Policy 2017 Calculation Policy Guidance EYFS/Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Combining two parts to Adding three Column method- Column method- Column method- Column method- make a whole: part single digits. regrouping. regrouping. regrouping. regrouping. whole model. (up to 4 digits) Use of base 10 to Using place value Use of place value Abstract methods. Starting at the bigger combine two counters counters for Place value number and counting on- numbers. (up to 3 digits). adding decimals. counters to be using cubes. used for adding decimal numbers. Addition Regrouping to make 10 using ten frame. Taking away ones Counting back Column method Column method Column method Column method with regrouping. with regrouping. with regrouping. with regrouping. (up to 3 digits (up to 4 digits) Abstract methods. Counting back Find the difference using place value Abstract for whole counters) numbers. Place value Find the difference Part whole model counters for Make 10 decimals- with Use of base 10 Start with place Part whole model different amounts value counters for of decimal places decimals- with the Make 10 using the ten same amount of frame Subtraction decimal places.
Sacred Heart Primary School Calculation Policy 2017 Calculation Policy Guidance EYFS/Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Addition Combining two parts to make a whole: part whole model. Starting at the bigger number and counting on- using cubes. Regrouping to make 10 using ten frame. Adding three single digits. Use of base 10 to combine two numbers. Column method- regrouping. Using place value counters (up to 3 digits). Column method- regrouping. (up to 4 digits) Column method- regrouping. Use of place value counters for adding decimals. Column method- regrouping. Abstract methods. Place value counters to be used for adding decimal numbers. Subtraction Taking away ones Counting back Find the difference Part whole model Make 10 using the ten frame Counting back Find the difference Part whole model Make 10 Use of base 10 Column method with regrouping. (up to 3 digits using place value counters) Column method with regrouping. (up to 4 digits) Column method with regrouping. Abstract for whole numbers. Start with place value counters for decimals- with the same amount of decimal places. Column method with regrouping. Abstract methods. Place value counters for decimals- with different amounts of decimal places