MATH TERMS - INVEST 6 to LESSON 70

Question 1

Geometric Solid

Answer 1

A three-dimensional geometric figure.

ie. Cube, Cylinder, Pyramid

Question 2

Edge

Answer 2

A line segment formed where two faces of a polyhedron intersect.

Question 3

Face

Answer 3

A flat surface of a geometric solid.

Question 4

Vertex

Answer 4

A point of an angle, polygon, or polyhedron where two or mores lines, rays, or segments meet.

The plural of Vertex is Vertices.

Question 5

Polyhedron

Answer 5

A geometric solid whose faces are polygons.

Question 6

Surface Area

Answer 6

The total area of the surface of a geometric solid.

Question 7

Volume

Answer 7

The amount of space a solid shape occupies. Volume is measured in cubic units.

Question 8

Radius

Answer 8

The distance from the center of a circle to a point on the circle.

Question 9

Name the 6 types of quadrilaterals

Answer 9

Trapezium (No sides are parallel),
Trapezoid (One pair of parallel sides),
Parallelogram (2 pairs of parallel sides),
Rhombus (Parallelogram with equal sides),
Rectangle (Parallelogram with right angles),
Square (Rectangle with equal sides)

Question 10

Prime Number

Answer 10

A counting number greater than 1, whose only 2 factors are the number 1 and itself.

11 is divisible by only 1 and 11. It is a prime number.

Question 11

Composite Number

Answer 11

A counting number greater than 1 that is divisible by a number other than itself and 1. Every composite number has 3 or more factors.

9 is divisible by 1, 3, and 9. It is therefore a Composite Number.

Question 12

Prime Factorization

Answer 12

The expression of a Composite Number as a product of its Prime Numbers.

The Prime Factorization of 60 is: 2 x 2 x 3 x 5.

Question 13

What are the 2 methods you can use to Factor a composite number?

Answer 13

Division by Primes

Factor Trees