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GRE Math Strategies

Subjects : gre, math
Instructions:
  • Answer 50 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. Product of two odd numbers is






2. 1/x + 1/y x -y ? 0






3. The measure of an interior angle is






4. 180°






5. (amount of decrease/original amount) x 100






6. The percent decrease from x to y ( y<x)






7. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)






8. ?if y angle< x angle - then






9. If the each element of the domain occurs only once as a FIRST component






10. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result






11. Area= s² perimeter= 4s






12. Any integer is divisible by 5 if






13. x younger than y






14. Sum of two even numbers is






15. x < y or y> x






16. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other






17. Every set is a subset of






18. The increase from x to y






19. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)






20. All odd numbers end in the digits of






21. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)






22. Have two equal sides and two equal angles formed by the equal sides and the unequal side.






23. z>y






24. 1-1-1 (60-60-60)






25. V3






26. ? if a side is equal to b side then - the opposite corresponding angles are






27. A/A¹ = B/B¹= C/C¹






28. (x+y)(x+y)= (x+y)²






29. (sum of individual quantities or measures/ total number of quantities or measures)






30. If an equation can be put into the form y= mx +b - then






31. Between 90° and 180°






32. x more than y






33. 90°






34. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






35. The percent increase from x to y (y>x)






36. The sum of the interior angles is






37. If two lines are parallel - the slope of one is






38. Which - what






39. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.






40. The quotient of any quantity (except 0) divided by zero is infinity






41. Integer is divisible by 2






42. All three sides and all three angles are equal






43. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.






44. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²






45. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places






46. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower






47. 360°






48. Ax= by + C






49. Volume= e(edge)³ surface area= 6e²






50. Sin 60°