| C | |
| Caclulator |
A calculation device that does mathematical operations. |
| Capacity | The amount a container can hold. |
| Celcius | A measurement system used in the metric system. |
| Century | One hundred years |
| Chance | The probability that an event would occur measured as a ratio of the total of all outcomes. |
| Circle |
A plane shape made up of a line that is always the same distance from the centr. |
| Circumference | The distance around a circle. |
| Clockwise |
The same direction as the hands on a clock go. |
| Compass |
Instrument that shows direction(usually north). |
| Common Factor | A whole number that divides two or more other numbers exactly. |
| Complementary |
Two angles whose sum is 90 degrees. |
| Concurrent Lines/Rays | Lines/Rays that intesect at the same point. |
| Cone |
Solid shape with a round base with a curved surface that tapers of to a vertex(like a round pyramid). |
| Congruent | Having the same size and shape. |
| Consecutive | Numbers that follow each other in an unbroken sequence. |
| Coordinates | Used to show position in a grid. Shown as pairs of numbers or letters. |
| Corner | Point where lines or edges meet-vertex. |
| Corresponding | Angles in the same position, made by a line intersecting two or more other lines. |
| Cube |
A solid shape that has: 6 square faces all equal in size, 8 vertices, 12 equal edges. |
| Curve | A curved line= not straight. |
| Cylinder |
A solid shape with one curved surface and two equal circular faces. |