³ÉÈË¿ìÊÖ

Select and carry out calculations in the correct order of precedence using the ‘rules’ of BODMAS (Brackets then Of then Division then Multiplication then Addition and Subtraction).

Calculations involving multiplication of whole numbers.

Dividing a single digit whole number where the calculation can go as far as two decimal places.

Negative numbers are mainly used with coordinates and temperature. Use negative numbers in addition and subtraction problems including subtracting a negative number.

Many calculations result in answers that are more accurate than you need. In such cases the answers are rounded to the required degree of accuracy.

A way of approximating or estimating an answer is to round off using significant figures. You can then select and carry out calculations and round answers to the nearest significant figure.

Calculations involving distance, speed and time can be worked out using formulae. When doing these calculations, the units used should be consistent.

Calculations involving percentages of quantities. Working with increases and decreases as well as expressing a quantity as a percentage of another quantity.

Fractions are calculations involving a fraction of a quantity, shape or object. Equivalent fractions allow cancelling to simplest form.

A ratio is used to compare two quantities. The quantities should be in the same units.

The link between simple probability and expected frequency is explored. The idea of risk is investigated and its impact on life.