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Fractions and decimals
Education
57
Mathematics
9th Grade
03/19/2017

Additional Mathematics Flashcards

 


 

Cards

Term



Adding the numerators togethere over the _____, then you carry what______over to get the result

Definition


Adding the numerators together over the common denomenator, then carry what over the denomentator to get the result

Term



What is adding and subtartion doing_____?


All fractions must have what _____?


What can you simply subtract____?

Definition

What is adding and subtrationing doing Combing fractions;


All fractions must have what a common denominator

.

What can you simply subtract the numeraters





Term



Once a fraction has a_______ ______ simply subtract the_______and place the results on top of _______



Definition


Once a fraction has a common denominator simply sutract the numerator, and place the results on to of the common denominator

Term

 

 



 when subtracting fractions follow these 3 steps that need to be done what are they?

Definition

 


 

  1. Make sure the demonmitors are the same
  2. Place the numeratores over the common demonator. Then subtract the numerators
  3. simplify the fraction (if needed)

 

Term

 



2/5-1/3 what is the 1st step you need to do?


Definition

 



2/5-1/3 what is the 1st step you need to do?

Look at what is the smallest number in both list are

You need to list the multiples of 5:

then list the multiples of 3:


Term



2/5-1/3 what is the 1st step you need to do?


Definition



2/5-1/3 what is the 1st step you need to do?

Look at what is the smallest number in both list are

You need to list the multiples of 5: 5 10, 15, 20, 25, 30.

then list the multiples of 3: 3, 6, 9,12, 15, 18.


Term




What can a fraction look like?

Definition




A divison problem


Term



A quotient with valuse less than 1 what does it reslut in?

Definition


Quotient's "twenty-five hundredths and it also can be converted into a percentage by multiplying the deciaml by 100 for it to become 25%

Term




What is a numerator and denominator called?

Definition

A Fraction Bar

Term

 




What can 1/4 be read?

Definition

 


It can be read as one fourth as well as one part of 4 parts, our one divided by four

Term



Also a franction can be looked at what?

Definition

A divison problem

Term

 



When working with Fractions you will learn to 3 things what are they?

Definition

 

 

 

  1. Identify the part of  a  Fraction
  2. Describe what a Fraction means
  3. Perform simple calclations with Fractions


 

 

Term

 




What is the definitions of Unit?


Definition

 


A unit is a  single quantity, with which another  quantity which a unit has been divided.

Term

 





Definition
Term

 





Definition
Term

 



What are fractional Unit?

Definition

 

 

 

 

Fractional is one of the equal parts in which the unit has been divided.

Term

 




What does a Fraction do?

Definition

 


A Fraction  is one or more fractional units, and allows to count parts of whole.

Term

 




What does a Fraction do?

Definition


A Fraction allows you to  parts of a whole.

Term

 




What does fractions have two parts of?

Definition



Numerator and denominator.

Term

 




Where does the numerator of a fraction belong?


Definition



is on topr

Term

 




Where is the denominator located?

Definition



On the bottom

Term


1/5 +3/5=1+3/5=4/5


What is the common denominator?


What do you do with the numerator?


Definition
  1. The commonen denominator is 5.
  2. You add them togather and put them on top of the denominator

Term



The first step to Lowest common denominator (LCD) is to do what?

And. what else is it called?


Definition


You need to rename the fractions and them capatible. It is also called Least common multiple

Term



Fractions added togather Both need to be what?


Also what does it need to do?

Definition




  1. Orignal fractions
  2. Rename the new denominatar
Term



the fraction of 1/3 the denominator of 3 must be what?


What happens next after that happens with the numerator?

Definition



  1. most be multiplied by the LCD to ge the value. As well you have to multiply the numerator
Term


Subtract fractions both fractions must be_____with a______ _______.

Most fractions may be "over" the lowest_____ _______.

Definition


Subtact fractions both fractions mus be rename with a New denominator.


Most fractions be "over" the lowest Common denominator.

Term


Subtract fractions both fractions must be_____with a______ _______.

Most fractions may be "over" the lowest_____ _______.

Definition


Subtact fractions both fractions mus be rename with a New denominator.


Most fractions be "over" the lowest Common denominator.

Term

 


This fraction is 2/5. What is the dominator of this is not common____ what has to be done _____ by_____ get the LCD what does it value to____.


Rule working with fractions numerator also needs to be_____ by the same value.

Definition

 

 

 

This fraction is 2/5. what is dominater of 5 what has to be done multiplied by 3 to get the LCD what does it value to.


Rule working with fractions numerator also need to be multiplied by the same value

 

 




 

Term

 




Step 2:  When subtracting what needs to be done



Definition

 

 

Step 2: what needs to be done?Need to place the nmerator over the common denominator. Then subtract the numerators

Term

 




 when  subracting fractions follow Step 2: What needs to be done?



Definition

 

 

Step 2: what needs to be done? Subtract the numerators. Place the result over the common denominator'.

 

Term



Step 3: since _____

If _____ cannot be simplified any further, the answer is_____

Definition




Step 3: Since 1/15 cannot be simplified any futher, the answer is 1/15


Term

 




Multiplying and diviaion of Fractions. These are litte different so follow these 3 steps.

Definition

 



 

  1. Multiply the nemerators
  2. Multiply the denominators.
  3. Simplify the fraction if needed

 

Term

When multiplication and division Franctions you do these steps.

What does step 1 tell you to do?

 

What does Step 2 tell you to do?


What does step 3 tell you to do?

Definition

 


Step 1: Multiply the numerators

Step 2: Muliply the denominators

Step 3: Simplify the fraction

Term

 



Simplifying Fractions that can be ______in ____ _____.

Definition

 


Fractions that can be simplified in two ways. 1st way divide both the numerator, and denominator by a value until can't divide any futher.

Term

You need to ____ both the _______ and____by a by a value until cannot divide any further.

Definition

You need to divide both the numerator and denominator by a value until cannot divide any futher.

Term

You need to ____ both the _______ and____by a by a value until cannot divide any further.

Definition

You need to divide both the numerator and denominator by a value until cannot divide any futher.

Term




What is a greatet common factor?

Definition


What is a greatest common factor?

This is a secon method. It is dividing the numerator and denominator by a value. The greatest common factore simply highest or larges number exactly divides both the numerater and denominator

Term

 



What are Fractors?

Definition

 


Factors are the numbers that are multiply together to another numer.


Term

To determine the greatest common factor, follow thess 3 steps, what are they?

Definition



  1. Find all the frators of each number. That means all of the value that can be multiplied together to get the number.
  2. Identify the common factors which appear on both list? These are common factors.
Choose the great of the common factor of numbers.
EXAMPLES:

Term

 



To determine the greatest _____ factors, you need to do step1, what needs to be done?


Definition

 


To determine the greatest______factors, yo need to do step 1, what needs to be done?  Find all factors of each number. Means all of the values that can be multiplied to get the number

Term

 



When identify common factor need to do step 2

Definition

 


When identify common factor need to do step 2.



Identify the common factors.

Term
12/16 using what?______ ______ what do you divide______ and the______ (16)what number is the greatest common factor is what?
Definition


126/16 using what? _______ ___ what do you divide bothe numerater (12) and the dnominator (16) what number is the greates common factor is what?12/1 Fraction sigh 4=3/4

Term




What is simplification method that is used?

Definition



What is simplification method that is used?

Simplify lower the fraction to it's lowest value.

Term



What the division of fractions is actully a form of?

Definition



What is the division of the fraactions is actully a form of multiplications.

Term



when divideing two fractions you have 3 Steps what are they?

Definition


Wher divideing two fractions you have to you have 3 steps what are they?

  1. Invert the second fraction (the dvisor). This is a fancy way of sayin reverse the order of the numerator and the denmominator of the second fraction, or turn the fraction upside down.
  2. Mulitiply the two fractions together, following the process you already learned
  3. Simplify the result
Term


what is ____, and ___related to? Every fraction has a ______ ______, and every ____ has a ______ ______. In others words a _____can be written as ______ and the same with a ________

Definition


What is a fraction, and decimal related to? Every fraction has a decimal equlvalent and every decimal has a fraction equvalent. In other words a fraction can be written as a decimal and the same with a deeimal.

Term



There are 3 things you will be able to define after this lesson what are they?

Definition

There are 3 things you will be ble to define after this lesson what are they

  1. Define a decimal
  2. Describe the relationship amoung deciamals, and percents.
  3. Solve simple problems involving decimals
Term


What shows parts of a whole?

Definition


What shows part of whole?


Fracations and decimals

Term


What is part of a unit?

Definition

What is part of a Unit?


15%

Term



Every number system has what is called ____ _____ the systems is based on what______,each place value is _____ times___ then the place value on what side?

Definition

Every number system has what is called a place value th e systems is based on what tens, each place value is ten times greater then the place value on the left

Term


How is 2,543,192. Read?

Definition

How is 2, 543,192 read?


"two million, five hundred forty-three thousand,one hundred and ninety two."

Term

 


Values that include a____represent place value that occur to the____ of the value, or after a _____. Each place value is _____times___ then the place value

Definition

 


Values that include a deceimal represent place value that occur to the rightof the value, or after a decimal point.Each place value is ten times smaller then th place value

Term


When reading a deciamal which way would you read the decimal Point as you would read any ____ ______ .These are read as _____ with one more extra step. At the end attach name of______ _______ of what number?

Definition


When reading a deciamal which way would you read the decimal point as you would read any whole number. These are read as "and" with one more extra step. At the end attach name of place value of what number?

Example:

2.15 is read as "two and fifteen hundredths.

Term



Decimals represent part of a ___ ____.

Definition


Decimls represent part of a whole number

Term



When adding and subtration decimals you need to follow these basic rule?

Definition


Whe adding and subtration deceimals you need to follow these basic rule?


When adding and subtrating whole numbers the only differnence is that you must be sure to line up the decimal point adding or subtracting you must cary the decimal poin to the right place to get the answer


Term



When _____decimals, follow basic rules for ____ ______ ______ easiest way to_____decimal is to ignore the _____ _____ and _____ the numbers as normal. Then add a _____ to the answer. Remeber the decimal needs to be in ___orignal places

Definition


When multiplying decimals, follow the basic rules for multiplying whole numbers as normal. Then add a decimal to the answer. Remeber the decimal needs to bin two orignal places


Term


When dividing decimal numbers using long devision, follow these 3rule for dividing whole number

Definition


When dividing decimal numbers follow thes 4 rules. to divide in whole humbers

  1. The divisoris the number you diide by.the divide by
  2. The dividend is the n umber you divide into/
  3. The quotient is the result

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