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8th grade knowledge map rational numbers and algebraic reasoning

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Question
Answer
Decimals, percents and fractions are different ways to express the _____   same value  
_____ are parts per hundred.   Percents  
_____ are numbers that when multiplied give a product.   Factors  
To _____ fractions you need to have a common denominator.   add or subtract  
When adding or subtracting fractions with common denominators, add or subtract the numerators and keep the denominators _____   the same  
_____ is dividing the numerator and denominator by the greatest common factor.   Simplifying fractions  
The _____ is the largest number that two or more numbers can be divided by.   greatest common factor  
When multiplying _____ multiply the numerators and the denominators, then simplify.   simple fractions  
When multiplying mixed numbers change the mixed numbers to _____ , multiply the numerators and the denominators and simplify.   improper fractions  
To _____ multiply the first fraction by the reciprocal of the second fraction.   divide simple fractions  
The _____ is the inverted form of the fraction.   reciprocal  
A fraction with a zero in the _____ is equal to 0.   numerator  
A fraction with a zero in the _____ is undefined.   denominator  
The _____ of a fraction can be found by dividing the numerator by the denominator.   decimal form  
_____ are all the natural numbers and their opposites.   Integers  
_____ numbers are the set of whole numbers excluding 0.   Natural  
Positive and negative numbers are _____ .   opposites  
The sum of opposites is always _____ .   zero  
Adding a negative numbers is the same as _____ .   subtraction  
When two numbers with opposite signs are multiplied or divided, the answer is always _____ .   negative  
When two numbers with the same sign are multiplied or divided, the answer is always _____ .   positive  
A number's _____ is its distance from zero.   absolute value  
The symbol for _____ is | |.   absolute value  
A _____ number is the product of two identical numbers.   square  
A number that is multiplied by itself to form a product is called the _____ of that product.   square root  
A _____ is the symbol used to represent a square root.   radical  
A _____ number is the number that can be written as a/b where a and b are integers, but b is not equal to 0.   rational  
An _____ number is a number whose decimal form is nonterminating and nonrepeating.   irrational  
_____ is a way to express a very large or very small number as the product of a number between 1 and 10 and a power of 10.   Scientific notation  
_____ is a branch of mathematics that uses variables to generalize the rules of numbers and operations.   Algebra  
An _____ is made up of variables and constants joined by addition and subtraction.   algebraic expression  
A _____ is the numerical part of the term.   coefficient  
_____ are terms that are exactly the same except for their coefficients.   Like terms  
A _____ is a numerical term that does not change.   constant  
An _____ is a mathematical sentence showing two expressions are equal.   equation  
To _____ an equation means to find all the values of the variable(s) that make the equation true.   solve  
_____ are operations that undo each other.   Inverse operations  
An equation can be changed and remains equal only when the same operation is done to _____ .   both sides  
A _____ is a predictable relationship where one variable depends on another.   function  
_____ is the set of x-coordinates of the set of points on a graph.   Domain  
_____ is the set of y-coordinates of the set of points on a graph.   Range  
The _____ is a two-dimensional region determined by a pair of axes that uses ordered pairs to represent the location of an object.   coordinate plane  
The coordinate plane is divided into 4 _____ or sections and are numbered counter clockwise.   quadrants  
The x-axis is the _____ number line on the coordinate plane.   horizontal  
The y-axis is the _____ number line on the coordinate plane.   vertical  
_____ is the point of intersection of the vertical and horizontal axes of the coordinate plane. The coordinates for this are (0,0).   Origin  
When analyzing data, you look for _____ , not point to point differences.   patterns and trends  
_____ are established over time with 3 to 5 data points.   Trends  


   


 

 

 

 

 

 
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