# Decimal Places and Significant Figures Word Search

Type
Word Search
Description

Approximate
Place
Figure
Number
Digit
Point
Estimate
Round
Integer
Decimal
Value
Significant

## 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

## Place Value Crossword Puzzle

Type
Crossword
Description

Name the place value of the 7 in 13.5478. Thousandths
What is the value of nine in 890,465? tenthousand
What is the value of the 6 in 0.01465? Tenthousandths
The _________ ______________ place is 100 times the amount of the thousands place. hundredthousand
The second place to the left of the decimal point is the ______ place. tens
In 9625, the 2nd digit is in the __________ place. hundreds
What is the value of the 2 in 42,000,000? millions
Identify the correct number in standard form. 0.0000069 is sixty-nine________. millionths
The value of where the digit is in the number. placevalue
300.5849 rounded to the nearest _______ is 300.59. hundredths
The fifth place to the right of the decimal point is the________ place. Hundredthousandths
7 ________equal 70 tens. thousand
The number 8000 + 400 + 20 + 5 is in _______ form. expanded
Name the place value of the 5. 14.506 tenths

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

## 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

## 7th Grade Math Vocabulary Crossword

Type
Crossword
Description

angles that have a common side and vertex adjacent
The measure in square units of the inside region of a closed two dimensional figure. area
Choosing data that is not random for statistical analysis. bias
a graph using a number line to show distribution of the data set. It is created by finding medians. box plot
100 percent chance of the even happening. certain
The distance around a circle. Circumference
An amount of money that is a percentage of the value involved paid to the employee that made the sale. commission
two angles with combined measurements of 90 degrees. complementary angles
A place containing two perpendicular axis (x and y) intersecting at he origin, the point (0, 0). coordinate plane
a shape created when a 3D figure is cut parallel or perpendicular to the base. cross section
A straight line passing through the center of a circle touching two points on the circumference. diameter
The answer to a subtraction problem. difference
The number being divided. dividend
The number by which another number is divided, divisor
Close to a 50 percent chance of the event happening. equally likely
A mathematical statement that includes and equal sign to show that two expressions are equal. equation
The likelihood of an even happening is based on experience and observation rather than on theory. experimental probability
the number of times a base occurs as a factor. exponent
One or a group of mathematical symbols representing a number or quantity. expression
a whole number that multiplies with another number to make a third number. factor
Also known as a tip. gratuity
The second place to the right of the decimal point hundredths place
A zero percent chance of the event happening. impossible
A positive number, a negative number or zero NOT a decimal or fraction. integer
A measure of spread on a box plot equal to the difference between the upper limit of the lower quarter and the lower limit of the upper quartile. Interquartile range
a non-terminating or non-repeating decimal. irrational
More than a 50 percent chance of the event happening. likely
A percentage added onto the price of an item to make a profit. markup
Find the mean. Create a table to determine each point's distance from the mean. Find the mean of the distances. mean absolute deviation
The middle number when a set of data is put in order. median
The number that appears the most in a data set. mode

Type
Word Search
Description

Whole
Parts
Thousandths
Hundredths
Tenth
Hundreds
Tens
Even
Odd
Digit
Units
Benchmark
Ones
Estimate
Word Form
Decimals
ones
Thousands
Billions
Millions
Expanded Form

Type
Word Search
Description

estimations
story problems
place value
rounding
square roots
decimals
remainderrs
fractions
division
multiplication
subtraction

## Algebra Word Search

Type
Word Search
Description

Absolute Value
alternate exterior angles
Area of a Circle
Comparing Integers
Computation and
corresponding angles
Equivalent Relationships
Estimation
Evaluate
Expenses
Exponential form
income
Integers
Irrational Numbers
Laws of Exponents
Natural Numbers
Order of Operations
Percent
Percent of Increase
Perfect Squares
Pi
Powers of Ten
Profit
Proportion
ratio
Ratio
Rational Numbers
Real Numbers
Scale Factor
Scientific Notation
Square Root
Vertical Angles
Volume of a Prism
Whole Numbers

## 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

## math vocabulary puzzle Crossword

Type
Crossword
Description

has no size or shape, but it is often represented using a dot. It can be labeled using a capital letter . point
a part of a line that includes two points and all of the collinear points between the two points line segment
a rigid motion that "slides" each point of a figure the same distance and direction translation
part of a line that begins with a single point and extends infinitely in one direction ray
a flat surface, it has an infinite length and width, but no depth, and extends infinitely in all directions plane
The study of the relationships between the sides and angles of triangles. trigonometry
opposite over hypotenuse sine
with regards to a given acute angle - leg of a right triangle that does touch the angle adjacent
The set of points that are equidistant from a single point called the center . There are an infinite number of points on a circle. circle
an unbroken part of a circle arc
a portion of the circumference of the circle arc length
The distance from the center of the circle to the edge. The radius is half the circle's diameter and represented by the letter 'r'. Plural is Radii. All radii in the same circle are equal. radius
A line, ray, or segment running from one side of a circle, through the center, to the other side. Twice the size of the radius. Cuts the circle into two equal halves called semicircles. Represented by the letter 'd'. diameter
a number variable or the product of a number and one or more variables with whole number exponents. monomial
consists of two terms with addition and subraction binomial
consists of three terms trinomial
Any number that cannot be expressed as the ratio of two integers. When written in decimal form, they never terminate or repeat. irrational number
Any number that is the value of the ratio of two integers. When written as a decimal, they terminate or repeat. rational
A line that divides a plane figure or a graph into two congruent reflected halves. axis of symmetry
The shape of the graph of a quadratic function parabola
lowest or highest point on a parabola vertex
a function in which the graph of the solutions forms a line Linear Function
the solutions to a quadratic equation Roots
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression. Coefficient
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression Coefficient
numbers you can multiply together to get another number Factors
amount of turn between two straight lines that have a common end point. angle
a flat surface with no thickness and extends forever plane
A number from 0-1 that is a measure of how likely an event is to occur Probability
the description that clearly defines the members Rule
a count of the entire population Census
something that results Outcome
A sum is the result of an addition. For example, adding 1, 2, 3, and 4 gives the sum 10, written. (1) The numbers being summed are called addends, or sometimes summands. sum