Place Value, Rounding & Negative Numbers
In this first video we meet Oscar The Horrible and find out how this mnemonic helps us to remember the place value markings.
Next we look at a method to use when rounding numbers to the nearest 10,100,1000 etc.
The concept of negative numbers can sometimes be a bit confusing. There are 3 main types of situation in which these numbers are used - this video explores these and shows how a number line can be used to solve the problems.