Number Sense
|x| = 10
What two values can x equal?
10 or -10
What is the greatest common factor of 20 and 15?
5
Solve for x:
3x + 6 = - 9
-5
What quadrilateral has four right angles?
Rectangle or Square
What is the probability of rolling an even number on a six-sided die?
1/2 or 50%
What number do you get when you multiply all of the numbers on a telephone's number pad?
Zero
What is the reciprocal of 15?
1/15
Find the product of 1/4 and 4/7
Simplify your answer.
1/7
Solve for x:
2x - 4 = 5x + 11
-5
Two lines that never intersect are...
Bobby's shape bucket contains 4 red triangles, 3 blue circles, 2 purple squares, and 1 yellow trapezoid.
What is the probability that he will pull out a quadrilateral? (Give your answer as a simplified fraction.)
3/10
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
It's cheaper to take two friends at the same time. (In this case, you would only be buying three tickets, whereas if you take the same friend twice you are buying four tickets.)
2-2 =? (Please give the answer as a fraction.)
1/4
Simplify:
-5 - 2(4-7)2
-23
Two lines are given below:
y1= 2x+1 & y2= -1/2x - 9
How will these lines intersect?
Perpendicular (at a 90 degree angle)
When 2 parallel lines are cut by a transversal, same-side interior angles are...
supplementary
Bobby's shape bucket contains 4 red triangles, 3 blue circles, 2 purple squares, and 1 yellow trapezoid.
What is the probability that he will pull out a blue or purple shape? (Give your answer as a simplified fraction.)
1/2
The rich need it, the poor have it, and if you eat it, you will die. What is it?
Nothing
What is 15% of 1200?
180
Simplify:
2x2 + 4x - 3 - (x2 +2x - 3)
x2 + 2x
Factor:
x2 - 9x + 18
(x - 6)(x - 3)
If a right triangle has legs of length 9 cm and 12 cm, what is the length of the hypotenuse?
15 cm
What is the average test score for the following set of scores:
73, 85, 92, 54, and 65
(Give an exact answer.)
73.8
What 3 consecutive numbers give the same result when multiplied and added together?
1, 2, and 3
1+2+3=6 AND 1x2x3=6
100 divided by 1/2 = ?
200
Simplify:
(3a3 b-1 c2)(7a4 b c)
21 a7 c3
Solve the inequality:
-2x - 4 < 16
x>-10
Bobby is standing 50 feet away from a building that is 120 feet tall. He looks up to see his friend on top of the building. What is the angle of elevation? (Round to the nearest degree.)
23 degrees
What is the probability of randomly pulling a J, Q or K from a deck of cards?
(Give your answer as a fraction.)
12/52 = 3/13
When can you add two to eleven and get one as the correct answer?
When you add two hours to eleven o'clock, you get one o'clock.