The act of changing an expression so that there are brackets
What is factorising?
100
the average that is calculated by finding the one that occurs most often
What is the mode
100
the distance around a shape
What is perimeter?
200
the number pattern, 1, 3, 6, 10, 15...
What are triangle numbers?
200
four sided shape with just one pair of parallel sides (sometimes like a house roof)
What is a trapezium?
200
multiplying out the brackets
What is expanding?
200
the average that is calculated by finding the one in the middle
What is the median?
200
the posh name for a four faced 3d shape, where each face is a triangle
What is a tetrahedron?
300
it can mean many things - in probability it may mean an educated guess of how often something may happen given the probability, with averages it will mean you cant do it exact because they are in groups and in number it means work out to 1 sig fig
What is estimate?
300
A 4-sided shape like a square - all sides same length but angles not 90°
What is a rhombus?
300
the line that goes through (0, 0) (1, 1) (2, 2) (3, 3)
What is y = x
300
the average that is calculated by adding all the pieces of data and dividing them by the number of pieces there are
What is the mean?
300
two shapes that are the same (same length sides and same size angles)
What is congruence/congruent?
400
the 3 is 5³ and the 2 in 5squared
What are indices?
400
two lines meeting at 90°
What is perpendicular?
400
it describes (using n) the rule that links position in a sequence with the number in the sequence
What is the nth term?
400
a pictorial representation of the median, quartiles and range so we can compare
What is a box plot?
400
divide a line or angle in half using a compass
What is bisecting?
500
A whole number
What is an integer?
500
pi multiplied by diameter
What is the circumference?
500
It is a vertical line that goes through (4, 0) ad (4, 10)
What is the line x = 4?
500
What we use to calculate the median when we have large amounts of data and we draw a graph!