Maths Terms for 11-13 Yr Olds
Note: You may download the entries for this glossary here. If you wish to use this in your own Moodle course, first make a blank glossary and then follow the instructions for importing glossary entries here.
James says: "This is glossary of terms for UK KS3 Maths,[ages 11-13] taken Works quite well with a 'random glossary entry' html block on a main course page since the definitions are in a small font size.
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IcosahedronA polyhedron with 20 faces. In a regular icosahedron all faces are equilateral triangles. | |
Imperial UnitsA unit of measurement system historically used in the United Kingdom and other English speaking countries. Units include inch, foot, yard, mile, acre, ounce, pound, stone, ton, pint, quart and gallon. Now largely replaced by metric units. | |
Improper FractionAn improper fraction has a numerator that is greater than its denominator. Example: 9/4 is improper and could be expressed as the mixed number 2 1/4. | |
InchSymbol: in. An imperial unit of length. 12 inches = 1 foot. 36 inches = 1 yard. 1 inch in metric units is approximately 2.54 cm. | |
InequalityStatements such as b > c are inequalities. They differ from equations in that they don't have equals signs and don't have fixed solutions, only boundary solutions. For example in the above it is known that b must be at least greater than c, but how much greater is not known. Boundary solutions to inequalities can be indicated graphically using shading. | |
IntegerAny of the positive or negative whole numbers and zero. Examples: -2, -1, 0, +1, +2. As opposed to decimal numbers. | |
InterceptThe value of the non-zero coordinate of the point where a line on a graph cuts an axis. The y intercept is given the symbol c in straight line graphs of the form y = mx + c. | |
Interior AngleAt a vertex of a polygon, the angle that lies within the polygon. | |
IntersectTo have an intersect is to have a common point or points. Examples: Two intersecting lines intersect at a point; two intersecting planes intersect in a line. | |