8th grade knowledge map rational numbers and algebraic reasoning
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| 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
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
suev503
Popular Math sets