12-hour clock a system of measuring time in terms of a repeating period of 12 hours 24-hour clock

12-hour clock a system of measuring time in terms of a repeating period of 12 hours
24-hour clock a system of measuring time in terms of a repeating period of 24 hours
2D shape fl at shape, having length and width but no depth
3D shape shape having three dimensions
acute angle an angle less than 90 degrees
angle a measure of turn, measured in degrees
anticlockwise turning in the opposite direction from the hands of a clock
approximate round a number to a suitable degree of accuracy
area the amount of surface covered by a flat shape
average a representative value; mode, median and mean are examples
axis one of two number lines drawn in a coordinate grid
bar chart a diagram where values are represented by the length of bars
bar-line graph a diagram where values are represented by the length of thick lines
brackets used to enclose items that are to be seen as a single expression.
cancel find an equivalent fraction by dividing both numerator and denominator
by a common factor see ‘simplify’)
capacity the volume of liquid that can be put into a container
centimetre (cm) one hundredth of a metre
centre of rotation the point about which
a shape is rotated
certain an event that will happen is certain
chance describes something that may or may not happen
class a group of numbers or measurements
class interval the width of a group or interval in a grouped frequency table
clockwise turning in the same direction as the hands of a clock
collecting like terms gathering, by addition and subtraction, all like terms
common factor a number that is a factor
of two different numbers; 3 is a common factor of 15 and 24
common factor a number that divides into other numbers without remainder