Math Dictionary For Children

Degree

  • by
degree

(Symbol: ° ) In geometry, a degree is a unit for measuring angles.

Diamond

  • by
rhombus diamod

A two-dimensional shape with four equal sides where the angles are not right angles. The correct name is rhombus. Examples

Directed Numbers

  • by
coordinate system

Numbers that have + and – signs on them. They are also called integers. We can show them on a number line or axes Example

Composite Number

  • by
composite numbers

A number with factors other than itself and one. Examples 12=12×1=3×4=3x2x2 33=33×1=3×11 Both twelwe and thirty-three are composite numbers. Seventeen and twenty-three are not composite… Read More »Composite Number

Collinear

  • by
collinear

Three of more points that lie on the same straight line. Example

Coefficient

  • by
Coefficient

The number (constant term) in front of a pronumeral (variable) in an algebraic term. Example

Chort

  • by
chort diameter

A line joining two points on a circle. Example

Centimetre

  • by
centimetre

(Symbol: cm) A unite of length 1 cm = 0.01 m 100 cm = 1 m Example

Calliper

  • by
Calliper

A measuring instrument similar to compasses with curved legs for measuring thickness (diameter) of curved (convex) objects or, turned outwards, for measuring cavities. Example