Algebra & equations
The simplified fraction of 3/15.
What is 1/5?
The point where the axes of a coordinate system intersect.
What is (0,0)?
A triangle with a 90 degree angle.
What is a right-angled triangle?
Length times width times height.
What is the volume of a cuboid?
A diagram where observations are represented by dots.
What is a dot diagram?
An unknown value often represented by a letter.
What is a variable?
What is a y-axis?
The ratio between lengths drawn on a map and the lengths in real life.
What is a map scale?
Pi times radius squared.
What is the area of a circle?
The most frequent observation in a dataset.
What is the mode?
Two or more equations with the same number of unknowns which should all be true at the same time.
What are simultaneous (linear) equations?
A graph that can be drawn as a straight line.
What is a linear graph?
The term used when two figures have the same shape and size.
What is congruence?
Pi times radius times slant height.
What is the curved surface area of a cone?
The total sum of values divided by the total sum of frequencies.
What is the mean?
The factorization of a2-b2.
What is (a+b)(a-b)?
The part of the coordinate system that is above and left of the axes.
What is the second quadrant?
The number of sides minus 2 and then multiplied by 180 degrees.
What is the sum of interior angles in a polygon?
A solid that fits exactly within a given distance from a certain point.
What is a sphere?
A list of all possible outcomes of an experiment.
What is a Sample Space?
The factorization of x2+5x+6.
What is (x+3)(x+2)?
A measure of how the y-value of a line changes when the x-value increases.
What is a gradient?
A quadrilateral with two parallel sides of different lengths.
What is a trapezium?
One third times the volume of the surrounding prism.
What is the volume of a pyramid?
The collection of observations into classes, which makes it easier to get an overview of the results.
What is grouped data?