Solve problems with and without a calculator and interpret + - and = in practical situations
(a) identify the operation to use in practical problems new sub-element
(b) understand that + and - represent the operations of addition and subtraction
(c) understand = represents equality, and know related vocabulary e.g. equals, is equal to, is the same as.
(d) know the signs for addition, subtraction, equals
e) recognise the numerals 0-9
(f) understand the operators and the order to key in numbers to a calculator
(g) know how to clear the calculator display, and understand tat this should be done before starting a new calculation