Mastering Maths: Key Terms Glossary Part 2

Created by Team 11+ Connect

EDGE	The lines that are created when two faces in a 3D shape meet.
EQUATION	A number sentence where one side equals the other.
EQUILATERAL TRIANGLE	A triangle with three equal angles and three equal sides.
EQUIVALENT FRACTIONS	Two fractions that are the same in terms of shape and size but expressed differently.
ESTIMATE	To make an 'educated guess' by roughly calculating an answer.
FACE	The flat part of a 3D shape.
FACTOR	A number that can be divided exactly into another number.
FORMULA	A group of numbers and symbols that show how to work something out.
GEOMETRY	The study of shapes and figures.
GRID METHOD	A way of working out multiplication sums by partitioning the numbers into smaller units, multiplying each part, then adding the results together.
HORIZONTAL LINE	A line that runs from left to right.
IMPERIAL UNITS	Units of measurement used in the UK before the metric system. Examples include inches, feet, miles, yards, etc.
IMPROPER FRACTION	A fraction with a larger numerator.
INTEGER	A whole number - either positive or negative.
INVERSE OPERATION	The opposite operation to check a calculation.
ISOSCELES TRIANGLE	A triangle with two equal angles and two equal sides.
KITE	A quadrilateral with two pairs of equal and adjacent sides.
LINE GRAPH	A graph used to display information that changes over time.
LONG DIVISION	A written method of dividing numbers.
LOWEST COMMON MULTIPLE	The smallest number that is a multiple of two or more numbers
MASS	The weight of an object.
MEAN	The average, found by adding a set of values together and dividing the total by the amount of values.
MEDIAN	The number in the middle of an ascending list.
METRIC UNITS	Metric units include centimetres, kilometres, grams, litres, etc.
MIRROR LINE	A central line - drawn through a shape - to show both sides are exactly the same.
MODE	The most common value in a set of data.
NEGATIVE NUMBER	A number smaller than O.
NET	The flat outline of a 3D shape.
NUMBER BONDS	Pairs of numbers that add together to create another number.
NUMERATOR	The top number of a fraction.
OBTUSE ANGLE	An angle between 90 degrees and 180 degrees.
OPERATION	A mathematical calculation e.g. addition, multiplication, etc.