Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Term

divisible by 2
click to flip
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know

Term

divisible by 3
Remaining cards (30)
Know
0:00
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

GRE MATH TIPS

TermDefinition
divisible by 2 if last digit divisible by 2
divisible by 3 if its digits add up to a multiple of 3
divisible by 4 if last 2 digits are multiple of 4
divisible by 5 last digit 5 or 0
divisible by 6 if divisible by both 2 and 3
divisible by 9 if digits add up to multiple of 9
GCF break down to prime factors and what they have in common multiply together. EX 36 and 48, (2)(2)(3)(3) and (2)(2)(2)(3)(3) so (2)(2)(3)=12
Prime Factors Method 1 work way up through primes. 210=2(105)=(2)(3)(35)=(2)(3)(5)(7)
Least Common Multiple smaller number that is multiple of both. 1) Determine prime factor 2) write out each prime number max number appears 3) multiply together to get LCM. EX) 6 & 8 6=(2)(3) 8=(2)(2)(2) so LCM is (2)(2)(2)(3)=24
Multiplying numbers with same base add exponents
Divide 2 power with same base Keep base and subtract exponents
Raise power to another power multiply exponents (3^2)^4=3^8
Different bases same exponents multiply bases raise to exponent
negative exponents 1/#^exponent
number to 0 power equals 1
fraction to a power gives smaller number
10 raised to an exponent exponent dignifies number of 0s
Positive Number Square Roots have both a positive and negative answer
Addition and Subtraction of Radicals only like radicals can be added or subtracted
Multiply and Divide Radicals multiply or divide outside and then inside radicals
multiplying fractions multiply nominators and then denominators
Dividing fractions multiply by reciprocal of fraction after division sign
simple interest keep taking % of original
compound add for each year
hours per unit of work 1/a+1/b=1/T reciprocal of 1/T is answer
combining averages sum of terms/number of terms = x(a)+y(b)/(x+y)
combination formula n!/k!(n-k)! where n is number of items in group and k is number of items in each subgroup and ! means factorial (ex 5! = (5)(4)(3)(2)(1))
arc length n/360 * 2pir
area of sector n/360*pir^2
lateral surface area of cylinder 2pirh
Total surface area of cylinder 2pir^2+2pirh
Created by: jlahr
Popular GRE sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards