A tally chart which records data in groups rather than distinct values. May be used when individual values would have no or little data recorded.
Category Archives: G
Group
How a set of data may be linked together.
Give your answer in…
(A measurement) Make sure to write your answer using the units given. A good idea would be to check the units are the same in the question as they want in the answer.
(… terms of π) Your answer should have π in it. Usually on non-calculator papers.
Example: Work out the perimeter of the field. Give your answer in kilometres.

🔑Key Give Your Answer In Topics: Distance-Time Graphs, Perimeter, Area
👀Also Look Up: Give an exact value
Give your answer to a sensible degree of accuracy.
Use the number of significant figures in the question to determine how many significant figure to give your answer to.
Give an exact value
Used with surd questions or questions involving pi. Leave your answer with a square root or pi in it.
Graph
The diagram representation of two variables.
Example:

🔑 Key Graph Topics: Plotting Graphs, y = mx + c, Length of a Line (on a Graph)
👀Also Look Up: Gradient, Intercept, Coordinate, Table of Values, Axis
Gradient
The steepness of a line.
Example: What is the gradient of the line y = 5x +7
🔑 Key Gradient Topics: Gradient of a Line, Gradient Between Points, y=mx+c