front 1 Input/Output Machine | back 1 Performs operations on a number (the input) to produce another number (the output). |
front 2 Coordinate Grid | back 2 A two-dimentional surface on which a coordinate system has been set up. Has a horizontal axis (X) and a vertical axis (Y). |
front 3 Cartesian Plane | back 3 Another name for a coordinate grid. |
front 4 Origin | back 4 The very centre of a coordinate grid where the X axis and Y axis intersect. |
front 5 Coordinates | back 5 The numbers in an ordered pair that locate a point on the grid (X, Y). |
front 6 Ordered Pair | back 6 Another name for coordinates. |
front 7 Horizontal Axis | back 7 Goes across the page. The X axis. |
front 8 Vertical Axis | back 8 Goes up and down the page. The Y axis. |
front 9 Commutative Property | back 9 Property that states that numbers can be added or multiplied in any order without affecting the sum or the product. |
front 10 Preservation of Equality | back 10 When each side of an equation is changed in the same way, the values remain equal. |
front 11 Variable | back 11 A letter of the alphabet used to represent a number. Often seen in a T-chart or input/output machine. |
front 12 Equation | back 12 Uses the = sumbol to show two things that represent the same amount, for example 5+2=7 |
front 13 Expression | back 13 A mathematical statement with numbers and operations, for example 3 x 4 - 2 |