00102 Math Terms

Question 1

Whole numbers

Answer 1

Complete number units without fractions or decimals. p.122

Question 2

Fraction

Answer 2

A portion of a whole number represented by two numbers. The upper number of a fraction is called the numerator

Question 3

Decimal

Answer 3

The part of a number represented by digits to the right of a point

Question 4

Digit

Answer 4

Any of the numerical symbols 0 to 9.

Question 5

Place value

Answer 5

The value that a digit represents in a whole number

Question 6

Positive numbers

Answer 6

Numbers greater than zero. For example

Question 7

Negative numbers

Answer 7

Numbers less than zero. For example

Question 8

Sum

Answer 8

The result of an addition problem. For example

Question 9

Difference

Answer 9

The result of subtracting one number from another. For example

Question 10

Product

Answer 10

The result of a multiplication problem. For example

Question 11

Dividend

Answer 11

In a division problem

Question 12

Divisor

Answer 12

In a division problem

Question 13

Quotient

Answer 13

The result of a division problem. For example

Question 14

Remainder

Answer 14

The amount left over in a division problem. For example

Question 15

Equation

Answer 15

A mathematical statement indicating that the value of two mathematical expressions

Question 16

Denominator

Answer 16

The part of a fraction below the dividing line. For example

Question 17

Numerator

Answer 17

The part of a fraction above the dividing line. For example

Question 18

Equivalent fractions

Answer 18

Fractions having different numerators and denominators but still having equal values

Question 19

Improper fraction

Answer 19

A fraction whose numerator is larger than its denominator. For example

Question 20

Mixed number

Answer 20

A combination of a whole number with a fraction or decimal. Examples of mixed numbers are 36

Question 21

Invert

Answer 21

To reverse the order or position of numbers. In fractions

Question 22

Loadbearing

Answer 22

Carrying a significant amount of weight and/or providing necessary structural support. A loadbearing wall typically carries some portion of the roof’s weight and cannot be removed without risking structural failure or collapse. p.154

Question 23

Stud

Answer 23

A vertical support inside a wall to which the wall finish material attaches. The base of a stud rests on a horizontal baseplate

Question 24

Joists

Answer 24

Lengths of wood or steel that usually support floors

Question 25

Unit

Answer 25

A standardized quantity used for a particular kind of measurement. p.158

Question 26

Volume

Answer 26

The amount of space contained within a three-dimensional space. p.162

Question 27

Cube

Answer 27

A three-dimensional object whose sides are all the same length. p.162

Question 28

Angle

Answer 28

The shape made by two straight lines coming together at a point. The space between those two lines is measured in degrees. p.168

Question 29

Vertex

Answer 29

The point at which two or more lines or curves come together. p.168

Question 30

Degree

Answer 30

A unit of measurement for angles. For example

Question 31

Acute angle

Answer 31

Any angle greater than 0° and less than 90°. p.168

Question 32

Right angle

Answer 32

An angle that measures 90°. The two lines that form a right angle are perpendicular to each other. This is the angle most used in the crafts. p.168

Question 33

Obtuse angle

Answer 33

Any angle greater than 90° and less than 180°. p.168

Question 34

Straight angle

Answer 34

A 180° angle or flat line. p.168

Question 35

Adjacent angles

Answer 35

Angles that have the same vertex and one side in common. p.168

Question 36

Opposite angles

Answer 36

Two angles that are formed by two straight lines crossing. They are always equal. p.168

Question 37

Rectangle

Answer 37

A four-sided shape with four 90° angles. Opposite sides of a rectangle are always parallel and the same length. Adjacent sides are perpendicular and may or may not be equal in length. p.169

Question 38

Diagonal

Answer 38

Line drawn from one corner of a rectangle or square to the farthest opposite corner. p.169

Question 39

Square

Answer 39

(1) A special type of rectangle with four equal sides and four 90° angles. (2) The product of a number multiplied by itself. For example

Question 40

Right triangle

Answer 40

A triangle that includes one 90° angle. p.169

Question 41

Perimeter

Answer 41

The distance around the outside of a closed shape

Question 42

Triangle

Answer 42

A closed shape that has three sides and three angles. p.170

Question 43

Equilateral triangle

Answer 43

A triangle that has three equal sides and three equal angles. p.170

Question 44

Isosceles triangle

Answer 44

A triangle that has two equal sides and two equal angles. p.170

Question 45

Bisect

Answer 45

To divide into two equal parts. For example

Question 46

Base

Answer 46

As it relates to triangles

Question 47

Scalene triangle

Answer 47

A triangle with sides of unequal lengths. p.170

Question 48

Circumference

Answer 48

The distance around the curved line that forms the circle. p.171

Question 49

Formula

Answer 49

A mathematical process used to solve a problem. For example

Question 50

Pi

Answer 50

A mathematical constant value approximately equal to 3.14 (or 22/1) used to determine the area and circumference of circles. It is sometimes symbolized by the Greek letter n. p.171

Question 51

Diameter

Answer 51

The length of a straight line that crosses from one side of a circle

Question 52

Radius

Answer 52

The distance from a circle's center point to any point on the curved line

Question 53

Area

Answer 53

The amount of space contained in a two-dimensional object