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GRE Math: Quantitative Formulas

Subjects : gre, math

Instructions:

Answer 45 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Area of a rectangle
Sum= (Average of Consecutive #s) * (# of terms in set)
X = Measure of interior angle/Circumference of circle 360
A=l*w
Add them. i.e. (5^7) * (5^3) = 5^10

2. How to recognize a # as a multiple of 9
The sum of the digits is a multiple of 9.
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
2/5
Sum= (Average of Consecutive #s) * (# of terms in set)

3. Convert 16.66% to a fraction
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
1/6
1/4
4/5

4. Perimeter of a rectangle
P= 2L + 2w
1/5
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
X = Measure of interior angle/Circumference of circle 360

5. When solving an inequality - flip the sign when you....
X = Measure of interior angle/Circumference of circle 360
Divide or multiply both sides by a NEGATIVE number
Subtract them. i.e (5^7)/(5^3)= 5^4
5/6

6. How to recognize a # as a multiple of 4
X = Measure of interior angle/Circumference of circle 360
Add them. i.e. (5^7) * (5^3) = 5^10
The last 2 digits are a multiple of 4. (i.e 144. 44 is a multiple of 4 - so 144 must also be a multiple of 4.)
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.

7. Side lengths of a 30-60-90 right triangle
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
Divide or multiply both sides by a NEGATIVE number
1-sqrroot of 3-2
A=b*h

8. When dividing exponential #s with the same base - you do this to the exponents...
1/3
X = Measure of interior angle/Area of Circle 360
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
Subtract them. i.e (5^7)/(5^3)= 5^4

9. Slope given 2 points
4/5
1/4
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29
M= (Y1-Y2)/(X1-X2)

10. When multiplying exponential #s with the same base - you do this to the exponents...
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
Add them. i.e. (5^7) * (5^3) = 5^10
Sum of digits is a multiple of 3 and the last digit is even.
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a

11. Volume of a sphere
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
A=pi*(r^2)
A= (1/2)b*h
V=(4/3)pi(r^3)

12. How to find the sum of consecutive #s
C=2pir OR d*pi
SA= 2( Lw + Lh + w*h)
Pi(r^2)h
Sum= (Average of Consecutive #s) * (# of terms in set)

13. Convert 40% to a fraction
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
Pi(r^2)h
2/5

14. How to find the average of consecutive #s
2(pi(r^2))+ 2pirh
2/3
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
Subtract them. i.e (5^7)/(5^3)= 5^4

15. Convert 83.33% to a fraction
1/4
1/3
5/6
A=l*w

16. Surface area of a rectangular solid
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
SA= 2( Lw + Lh + w*h)
A= (1/2)b*h
Add them. i.e. (5^7) * (5^3) = 5^10

17. Surface area of a right circular cylinder
2/3
Pythagorean Theorem: h^2= (S1)^2 + (S2)^2
2/5
2(pi(r^2))+ 2pirh

18. When asked to find the distance between 2 points on a graph use this formula...
A=pi*(r^2)
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
1/8
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29

19. Convert 25% to a fraction
1/4
2(pi(r^2))+ 2pirh
2/5
The last 2 digits are a multiple of 4. (i.e 144. 44 is a multiple of 4 - so 144 must also be a multiple of 4.)

20. Convert 75% to a fraction
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
Pi(r^2)h
Add them. i.e. (5^7) * (5^3) = 5^10
3/4

21. Convert 60% to a fraction
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
A=l*w
3/5
The sum of the digits is a multiple of 9.

22. Perfect Squares 1-15
V=(4/3)pi(r^3)
2/5
SA= 4pi(r^3)
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225

23. First 10 prime #s
D=rt so r= d/t and t=d/r
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29
1-sqrroot of 3-2
Add them. i.e. (5^7) * (5^3) = 5^10

24. Convert 80% to a fraction
3/4
2/3
4/5
Pythagorean Theorem: h^2= (S1)^2 + (S2)^2

25. Side lengths of a 45-45-90 right triangle
1-1-sqrroot of 2
1/8
The sum of the digits is a multiple of 9.
2(pi(r^2))+ 2pirh

26. Surface area of a sphere
SA= 4pi(r^3)
A=l*w
V=(4/3)pi(r^3)
D=rt so r= d/t and t=d/r

27. Convert 66.66% to a fraction
Add them. i.e. (5^7) * (5^3) = 5^10
2/3
1-1-sqrroot of 2
Pi(r^2)h

28. Area of parallelogram
P= 2L + 2w
3/5
1/3
A=b*h

29. Volume of a rectangular box
V=Lwh
D=rt so r= d/t and t=d/r
5/6
The sum of the digits is a multiple of 9.

30. Find hypotenuse of a right triangle given 2 side lengths
1-1-sqrroot of 2
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
Pythagorean Theorem: h^2= (S1)^2 + (S2)^2
Sum of digits is a multiple of 3 and the last digit is even.

31. Area of a sector
Divide or multiply both sides by a NEGATIVE number
A= (1/2)b*h
X = Measure of interior angle/Area of Circle 360
Add them. i.e. (5^7) * (5^3) = 5^10

32. Arc length
2/3
1/4
Divide or multiply both sides by a NEGATIVE number
X = Measure of interior angle/Circumference of circle 360

33. Convert 20% to a fraction
A= (1/2)b*h
1/5
1-1-sqrroot of 2
M= (Y1-Y2)/(X1-X2)

34. Quadratic Formula
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
A=l*w
SA= 2( Lw + Lh + w*h)
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a

35. How to recognize if a # is a multiple of 12
Add them. i.e. (5^7) * (5^3) = 5^10
5/6
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
SA= 4pi(r^3)

36. Circumference of a Circle
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
Pi(r^2)h
C=2pir OR d*pi
Subtract them. i.e (5^7)/(5^3)= 5^4

37. Area of a circle
A=pi*(r^2)
The last 2 digits are a multiple of 4. (i.e 144. 44 is a multiple of 4 - so 144 must also be a multiple of 4.)
SA= 2( Lw + Lh + w*h)
X = Measure of interior angle/Area of Circle 360

38. Area of a triangle
1/6
A= (1/2)b*h
Divide or multiply both sides by a NEGATIVE number
SA= 2( Lw + Lh + w*h)

39. Find distance when given time and rate
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
2/5
D=rt so r= d/t and t=d/r

40. Convert 33.33% to a fraction
1/3
A= (1/2)b*h
A=pi*(r^2)
1/8

41. How to recognize a multiple of 6
The sum of the digits is a multiple of 3
1/5
Sum of digits is a multiple of 3 and the last digit is even.
4/5

42. Convert 12.5% to a fraction
1-1-sqrroot of 2
A=pi*(r^2)
C=2pir OR d*pi
1/8

43. Volume of a right circular cylinder
Pi(r^2)h
Subtract them. i.e (5^7)/(5^3)= 5^4
The sum of the digits is a multiple of 3
3/5

44. How to recognize a # as a multiple of 3
4/5
The sum of the digits is a multiple of 3
M= (Y1-Y2)/(X1-X2)
The last 2 digits are a multiple of 4. (i.e 144. 44 is a multiple of 4 - so 144 must also be a multiple of 4.)

45. Area of a trapezoid
A=l*w
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
1/4
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)

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Test your basic knowledge |

GRE Math: Quantitative Formulas

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3d Computer Modeling

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Adobe Illustrator Shortcuts

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Adobe Photoshop CS 5 Keyboard Shortcuts

Adobe Photoshop Graphic Design

Adobe Photoshop Tools And Commands

Adobe Premiere Keyboard Shortcuts

Adobe Premiere Pro

After Effects Keyboard Shortcuts

Agile Development

Agile Scrum Methodology

Ajax

Android Programming

Animation

Asp.net Programming