TERM
| MEANING
|
Absolute Value
| Distance
between a number and 0 on number line |
Abundant Number | A number smaller than the sum of its divisors |
Algebra | A branch of math
where letters represent numbers |
Algorithm | A step by step procedure to solve a problem |
Annulus | Region between 2 concentric circles |
Arithmetic |
A
branch of mathematics involving number calculations. It includes addition, subtraction, multiplication & division.
|
Attribute
| A
characteristic showing shape, size or color |
Axiom | Something accepted as true without any proof |
Bar Graph | Vertical or horizontal
bars that represent data |
Bar Notation | Method of recording recurring decimals |
Base | Bottom of a figure or object |
Binary System | Number system using
base number 2. Digits 0 & 1 are used to express each number. |
Bisect | Dividing into 2 equal parts |
Braces | { } symbols that
refer to sets |
Calculus
| A
branch of math dealing with integrals, derivatives & rates of change |
Cardinal Numbers | Number of elements in finite/infinite sets
|
Centroid
|
The point where the 3 medians of a triangle intersect |
Chord | An interior line joining 2 points on circle circumference
|
Circumference
| Distance
around a circle |
Coefficient
| A
number that multiplies a letter (variable) |
Collinear Points | 3 or 4 points lying on the same straight line |
Composite Number | Number having factors
other than 1 and itself |
Congruent | Possessing same size and same shape |
Decagon | Polygon with 10 sides |
Decahedron | A three dimensional
shape having 10 plane faces |
Deficient Number | Any number larger than the sum of its divisors |
Denominator | Bottom number of
a fraction |
Discrete
Data | Data
with finite or limited value |
Divisor | The dividing number |
Element | An item or member in a set |
Ellipse | A stretched or flattened circle |
Equiangular | All angles are
equal |
Equilateral
Triangle |
A triangle having 3 equal sides and angles |
Even Number | Any number that can be divided by 2 like 4,
10, 16 |
Exponent
| A
tiny number to upper right of base number denoting the times the base number should multiply by itself. |
Expression | Symbol referring
to a number or variable |
Extremum | It is extreme value of a function |
Factor | A number dividing into another number exactly |
Figure |
Two
dimensional shape |
Finite
| Which
can be counted to a limit |
Formula | An equation stating a rule |
Fortnight | 14 days or 2 weeks |
Fraction | A section of a number |
Frequency | Occurring repeatedly
|
Function
| The
relationship between 2 variables |
Gallon | Equals 3.78 litters |
Geometry | A study of angles, curves and lines in 2 & 3 dimensions |
Googol | 1 followed by 100
zeros or 10 raised to 100th power |
Googolplex | Largest number with a name. Its value is 10 raised to googol power |
Greatest Common Factor
(GCF) |
Greatest number that divides two or more other numbers exactly. GCF for 12, 18 & 24 is 6.
|
Gross Mass
| Includes
product & container |
Gross Profit | All the money that was received |
Half-Life | Amount of time taken for a substance to diminish
by half. Half life of isotope carbon-14 is 5730 years. |
Hectare | 10, 000 square metres |
Hectometre | 100 metres |
Heptagon | Polygon with 7 sides |
Hexagon | Polygon with 6
sides |
Hypotenuse
| Longest
side of a right angled triangle |
Icosahedron | Polyhedron with 20 faces |
Improper Fraction | A fraction where the numerator is equal or greater
than its denominator like 6/4 |
Index | Exponent |
Infinite | Unlimited number or number without an end |
Integers | All negative & positive whole numbers and
zero too |
Isometric
| Containing
equal measurements |
Isosceles
Triangle |
Triangle with 2 equal sides and angles |
Jointly Proportional | 1 variable directly proportional to other variables
one at a time |
Jump
Strategy |
To make a calculation, a jump is made along an empty number line by 10s and 1s |
Kilogram | Equals 1000 grams
|
Kilometre
| Equals
1000 metres |
Least
Common Denominator |
Smallest whole number used as denominator for two or more fractions |
Lemma | A stepping stone
for proof of a theorem |
Linear | Referring to a straight line |
Locus | A set of points forming a geometric figure |
Logarithm | It is a power to which a base should be raised
to achieve a desired number |
Mathematics (Math/Maths) | Study of various calculations, numbers, quantities, shapes and space using symbols,
equations and formulae. |
Matrix | A rectangular array of numbers written in parenthesis/brackets |
Mean | Average |
Median |
The
middle number in a series of numbers |
Minor Arc | The smaller curve of a circle when it is divided into 2 curves |
Mixed Number |
A
whole number with a fraction like 7 1/2 |
Mode | Numbers occurring most frequently in a list |
Monomial | A single term in algebraic expression
|
Natural Numbers
| Regular
numbers that are counted |
Negative Integer | A number less than zero but not a decimal or fraction |
Nonagon | Polygon with 9
sides |
Number
Sentence |
Math sentence using only symbols and numbers |
Numeral | Symbol referring to a number |
Numerator | Any number above
fraction line |
Obtuse
Angle |
Angle between 90 degrees and 180 degrees |
Obtuse Triangle | A triangle with one obtuse angle at least |
Octagon |
Polygon
with 8 sides |
Odd
Number |
Any number that can’t be divided by 2 like 9, 15 |
Opposite Numbers | Two same numerals that have opposite signs like
+57 and -57 |
Ordinal
| Number
referring to order like first, second, third |
Outcome | In probability, it refers to one of the possible results |
Palindrome Number | Any number that
shows same value forwards & backwards like 666, 77477 |
Parabola | U shaped curve where any point on it is equally distant from a fixed point and
a fixed straight line |
Pentagon
| Polygon
with 5 sides |
Perfect
Number |
A number which is equal to sum of its dividing numbers |
Pi | Ratio of circumference to diameter of a circle |
Polygon |
A
plane figure with 3 or more sides |
Polyhedron | A 3-D object with polygons as its faces |
Prime Number | Any number that is divided evenly
by 1 and itself like 11, 19 |
Proper Fraction | A fraction where the numerator is lesser than its denominator like 6/8
|
Proportion
| Equality
of 2 ratios |
Quadrangle
| Polygon
with 4 angles |
Quadrilateral
| Polygon
with 4 sides |
Quadrillion
| 1
000 000 000 000 000 (10 raised to 15th power) |
Quantitative Data | Information that can be counted or measured
|
Quotient
| The
result of a division problem |
Radius | Distance from circumference to center of a circle |
Ratio | Relation or comparison between 2 quantities
|
Ray
| A
straight line having starting point but no end point |
Reciprocals | Two numbers whose product is one |
Reflex Angle | An angle that measures between 180
degrees and 360 degrees |
Rhombus | Parallelogram having all sides and opposite angles equal |
Right angle | Angle measuring
90 degrees |
Scalene
| A
triangle with 3 sides unequal |
Set | Group of items that are called elements |
Sin | Ratio of length of opposite side to hypotenuse length of
a right angled triangle |
Skew Lines | Those lines not lying in the same plane in space |
Solid | 3D shape with length,
width & height |
Speed
| The
movement of something over a distance in a given time |
Square root | A number that multiplies by itself produces original number |
Straight Angle | An angle which
measures 180 degrees |
Tangent line | A line touching a curve at a point without crossing over |
Tangram | A square that is
cut into 7 pieces |
Term
| A
number in sequence, or a series, or part of algebraic equation |
Tessellation | Different shapes fitting together without any
gap |
Triangle
| Polygon
with 3 sides |
Trigonometry
(Trig) |
A study of triangles |
Trinomial | Algebraic expression with 3 terms |
Unit | A standard quantity like a pound is a unit of
weight |
Unit
Rate | In
2 measurements comparison one of the terms has value of 1 |
Unlikely | A probability outcome between 0 and 0.5 |
Value | Numerical amount |
Variable | A letter used to
represent a number or numbers in equations and expressions |
Vector | A quantity which has direction and magnitude (amount). Velocity & force
are examples of vector. |
Vertex | Corner |
Vinculum | Horizontal line over a symbol or symbols |
Volume | Amount of space |
Whole | Amount in total;
all |
Whole
Number |
A number from 0 to infinity |
Width | Breadth |
x | A symbol referring to unknown quantity in equations |
X |
Roman
numeral for 10 |
X-axis
| Horizontal
axis of a graph |
Y-axis
| Vertical
axis of a graph |
Y-intercept
| A
point where a graph intersects the y-axis |
Yard | Equal to 36 inches or 3 feet |
Z-intercept | A point where a graph intersects the z-axis
|
Zero
| The
number that has no quantity. It is used as place holder. The 0 symbol was invented around 500 AD by Hindu mathematicians
and not by Arabs. |
Zero
Matrix |
Where all elements are equal to zero |
Zero Vector | A vector with zero magnitude (amount) |