# The Number system Crossword

Type
Crossword
Description

alter (a number) to one less exact but more convenient for calculations Rounding
shorten (something) by cutting off the top or the end Truncating
a number that is either rational or irrational rather than imaginary. Real numbers
Imaginary numbers Non-real numbers
a whole number or the quotient of any whole numbers, excluding zero as a denominator Rational numbers
any real number that cannot be expressed as the exact ratio of two integers, e.g. √2 and π Irrational numbers
a whole number; a number that is not a fraction. integer
a number without fractions; an integer whole numbers
a number without fractions; an integer. natural numbers
terminating decimal finite decimal
a decimal fraction in which a figure or group of figures is repeated indefinitely, as in 0.666… or as in 1.851851851…. repeating decimal
a number that produces a specified quantity when multiplied by itself: "7 is a square root of 49" square root
4 times 4=16 perfect square
Numbers, symbols and operators (such as + and ×) grouped together that show the value of something. expression

Type
Crossword
Description

The maximum or minimum point of a quadratic function. vertex
The line of symmetry that runs through the vertex; can be found algebraically: x=-b/(2a) axis of symmetry
All the input values of a function. domain
All the output values of a function. range
x = -b ± √(b² - 4ac)/2a quadratic formula
one of the possible outcomes of a probability experiment event
a possible result of an experiment outcome
a diagram that shows how two or more sets in a universal set are related Ven diagram
a collection or list of items SET
events such that the outcome of one event does not affect the probability of the outcome of another event independent events
'sides and angles' that are images of each other will be equal if the two triangles are congruent. CORRESPONDING PARTS
Any number that can be written as a simple fraction, with a whole number numerator and denominator, such as terminating decimals, repeating decimals and integers. rational number
A square with a whole number root. perfect square
An angle of exactly 90 degrees. right angle
A triangle that contains a right angle. right triangle
Any number that cannot be written as a simple fraction, such as non-repeating, non-terminating decimals, square roots of non-perfect squares, pi. irrational number
The result of multiplying a number by itself square
Greek philosopher, 570-495 BC. There is no evidence that Pythagoras himself worked on or proved the Pythagorean Theorem, which was used previously by Babylonians and Indians. Pythagoras
A mathematical symbol that indicates the extraction of the root of the square inside. radical sign
the statement that the values of two mathematical expressions are equal equation
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression Coefficient
solving a problem solutions
value that,when multiplied by itself,gives the number roots
relationship between two numbers indicating how many times the first number contains the second ratio
two ratios or fractions are equal proportion
relationship between two numbers indicating how many times the first number contains the second ratio
a single number or variable, or numbers and variables multiplied together terms
an unbroken part of a circle arc
an angle whose vertex is at the center of a circle central angle

## The Classification of Numbers Crossword

Type
Crossword
Description

a numerical quantity that is not a whole number (e.g., 1/2, 0.5). fraction
(of a number, quantity, or expression) not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal. Examples of irrational numbers are the number π and the square root of 2. irrational
(of a number, quantity, or expression) expressible, or containing quantities that are expressible, as a ratio of whole numbers. When expressed as a decimal, a rational number has a finite or recurring expansion. rational
a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, that satisfies the equation i2 = −1. In this expression, a is the real part and b is the imaginary part of the complex number. complex number
a number without fractions; an integer. whole number
the positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well. natural number
The type of number we normally use, such as 1, 15.82, −0.1, 3/4, etc. Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers. real number
a whole number; a number that is not a fraction integer
√(9) is a ____________________ because √(9) = 3 natural number
the only difference between natural numbers and whole numbers is the_________________________ zero
______________________= Natural numbers + zero whole numbers
the difference between whole numbers and integers are the negative numbers
_____________________= Whole numbers + the negative of the whole numbers integers
All integers are __________________ fractions
____________ all fractions are integers Not
-1/3 = -0.333333333 is not an ________________________ integer
Fractions can be written as a ____________________ decimal or a repeating decemal terminating
1/3 = 0.3333333 and 0.3333333 is a ___________________ decimal repeating
Irrational numbers are numbers that ______________________ be written as a fraction cannot
______ = 3.14..., 2.224879566117426874, √(7) pi
_________________________ are neither repeating decimals nor terminating decimals irrational numbers
_______________________ = rational numbers + irrational numbers real numbers
the opposite of complex numbers are_______________________ real numbers
The difference between complex numbers and real numbers is that complex numbers give ____________________________ for the following expressions and more! solutions
Among the different types of numbers, __________________________ is the hardest one to understand fractions

## Topic 1: Rational and Irrational Numbers Crossword

Type
Crossword
Description

A decimal that has the same digit, or block of digits that repeats without end. Repeating decimal
A decimal that ends. Terminating Decimal
A number that can be written as a fraction, includes terminating and repeating decimals. Rational Number
A number that cannot be written as a fraction, includes decimals that never end and never repeat. Irrational Numbers
The set of all rational and irrational numbers Real Number
The set of positive whole numbers and their opposites (negatives), and zero. Integers
The set of numbers that include zero and all natural numbers. Whole Numbers
The set of counting numbers, does not include zero. Natural Numbers
A number that is the square of an integer. Perfect Square
A number that when multiplied by itself, equals the original number. Square Root
To find a number that is close to an exact answer. Estimate
An arrangement of things in relation to each other according to a particular sequence or pattern. Order

## Chapter 1 Real Numbers Crossword

Type
Crossword
Description

The Number that is going to be raised by a power. Base
One of the three equal factors of a number Cube root
The number of times the base is used as a factor Exponent
A number that can't be expressed as a fraction Irrational number
A number that can be expressed as a fraction Rational number
Any number or variable with one or more variables Monomial
A rational number whose cube root is a whole number Perfect Cube
A product of repeating factors using an exponent and a base. Power
The symbol used to indicate a positive square root. Radical sign
A compact way of writing numbers with absolute values that are very large or very small. Scientific Notation

## Algebra 1 Chapter 1 Vocabulary Crossword

Type
Crossword
Description

The numerical factor when a term has a variable. coefficient
For every real number a, b, and c. Distributive property
A mathematical sentence that uses an equal sign. equation
Algebraic expressions that have the same value for all values of the variables. equivalent expressions
A number that shows repeated multiplication. exponent
A mathematical sentence that compares the values of two expressions using an inequality symbol. inequality
Whole numbers and their opposites. integer
A number that cannot be written as a ratio of two integers. Irrational numbers in decimal farm are nonterminating and nonrepeating. irrational number
The counting numbers. natural number
A number that is the same distance from zero on the number line as a given number, but lies in the opposite direction. opposite
1. Perform any operations inside grouping symbols. 2. Simplify powers. 3. Multiply and divide in order from left to right. 4. Add and subtract in order form left to right. order of operations
Numbers whoses square roots are integers. perfect square
A real number that can be written as a ratio of two integers. Rational numbers in decimal form are terminating or repeating. rational number
A number that is either rational or irrational. real number
Given a nonzero rational number a/b, the reciprocal, or multiplicative inverse, is b/a. The product of a nonzero number and its reciprocal is 1. Reciprocal
A number a such that a2=b. The sqaure root of b is the principalsquare root. - sqaure root of b is the negative sqaure root. square root
A symbol, usually a letter, that represents one or more numbers. variable
The nonegative integers. whole number
A mathematical phrase involving numbers and operation symbols, but no variables. numerical expression

## Chapter 1 Vocabulary Crossword

Type
Crossword
Description

In a power, the number that is the common factor. base
One of three equal factors of a number. cube root
In a power, the number of times the base is used as a factor. exponent
A rational number whose cube root is a whole number. perfect cube
A number that cannot be expressed as the quotient a/b where a and b are integers and b does not equal zero. irrational number
A product of repeated factors using an exponent and a base. power
A rational number whose square root is a whole number. perfect square
The symbol used to indicate a positive square root. radical sign
Numbers that can be written as the ratio of two integers. rational number
The set of rational numbers together with the set of irrational numbers. real number
Decimal form of a rational number. Repeating decimal
A compact way of writing numbers with absolute values that are large or small. scientific notation
One of two equal factors of a number. square root
A repeating decimal where the repeating digit is zero. terminating decimal

## Math 1 Crossword

Type
Crossword
Description

Any number that can be expressed as a fraction. rational number
The number that indicates how many times the base is used as a factor. exponent
A number raised to the third power. cube root
One of the two equal factors of a number. square root
A square of a whole number. perfect square
A cube of a whole number. perfect cube
A number that cannot be expressed as a fraction. irrational number
A pair of numbers that can be used to locate a point on a coordinate plane. ordered pair
A plane formed by the intersection of a horizontal number line (x-axis) and a vertical number line (y-axis) coordinate plane
The set of whole numbers and their opposites. integers
Numbers 1-9 natural numbers
Irrational and rational numbers. real numbers
Integers that differ by one. consecutive integers
Equations that have the same solution. equivalent equations
Operations that undo one another. inverse operations
An equation involving two or more variables. literal equation
The middle value in an ordered set of numbers. median
A data value that is much higher or lower than the other data values in the set. outlier
The difference between the greatest and the least data values for a set of data. range
The number in front of a variable. coefficient
An exact location in space. point
Straight path that extends without an end in opposite directions. line
Flat surface that extends forever. plane
Part of a line between two endpoints. segment
Part of a line that starts at one endpoint and extends forever. ray
Having the same size and shape congruent
Figure formed by two rays with a common endpoint called the vertex. angle
Angle that measures 90 degrees. right angle

## Vocabulary Week #1,2 Crossword

Type
Crossword
Description

What is a number that when multiplied by itself equals a given number Square Root
What is the symbol used to indicate a non-negative square root? Radical Sing
What is a square of a whole number? Perfect Square
What is a decimal in which one or more digits repeat infinitly? Repeating Decimal
What is a decimal number that ends or terminates? Terminating Decimal
What is a number that occurs commonly and obviosly in nature,and it is a whole, non-negative number? Natural Numbers
What is a number that are positive, including zero, without any decimal or fractional parts, and are numbers that represent whole things without pieces? Whole Numbers
What is the set set of whole numbers and their oppisites? Intergers
What is a number that cannot be expressed as a ratio of two intergers or as a repeating or aterminating decimal? Irrational Numbers
Any number that can be expressed as a ratio of two intergers? Rational Numbers
A rational or irrtional number? Real Numbers

## Vocabulary project-Pre-Algebra Crossword

Type
Crossword
Description

Numbers that are not rational irrational number
Numbers that can be written as ratios n
a number that can be written without a fractional component 2 20 40 -40 -20 and 25 Integers
has square root that are integers perfect square
A decimal number that dosen't go on forever Terminating decimal
A decimal number that repeats forever Repeating decimal
fraction represents a part of a whole fraction
Counting numbers 1 2 3 Natural numbers
a three-dimensional solid object bounded by six square faces cube
8 to the power of 2, 8 is the base Base
8 to the power of 2, 8x8=64 Exponet
equal in value, amount Equivalent
a number that describes both the direction and the steepness of the line. Slope
a regular quadrilateral, which means that it has four equal sides and four equal angles. square
a relationship or expression involving one or more variables function

Type
Crossword
Description

Comparsion of two numbers Ratio
a function whose graph is a straight line linear function
7(2)what is the two called Power
a set of ordered pairs Relation
A ratio thta compares the change in the y-coordinates of a graph to the change in the x-coordinates slope
only one number can make a equation true one solution
700/4 divided by x/22 what is this called? Cross Multiply
____ lie in the same plane and never intersect parallel lines
the set of all the input/ output values in a function domain
to find a __ that is neither horizontal nor vertical on the coordinate gird , you can apply the Pythagorean Theorem Distance