Learn how to use column addition to add numbers.
This video shows you how to find the difference between two numbers by counting up in manageable steps. This is a very useful method which supports mental calculation, and particularly for working out change, and finding the difference between two times.
Watch this video to learn how to divide a large number by a single digit number.
Learn how to divide larger numbers using a method of long division called 'chunking'. This method is great because it lets you divide a number using multiplication facts that you know well.
This video will show you a method to help you divide larger numbers by finding easy groups that fit into it. It helps with understanding how to divide in your head and with more formal methods you will learn later on.