Square Roots & Real Numbers
Adding & Subtracting Rational Numbers
Simplifying Each expression
Multiplying & Dividing Rational Numbers
Probability & Odds
100
What is √9
What is 3?
100
3.15 + 2.25
What is 5.40?
100
5(-3x) - 12x
What is -27x
100
5(1/3)
What is 1 and 2/3 ?
100
What is the definition of probability?
P(a) = number of favorable outcomes / number of total possible outcomes
200
Name the set or sets of numbers to which real number belongs -√64 (Hint: natural numbers, whole numbers, integers, rational numbers, real numbers)
integers, rational
200
0.38 + (-1.2)
What is -0.82?
200
(15n - 20)/-5
What is -3n +4?
200
- 1/8 ÷ - 5
What is 1/40?
200
What is the definition of the odds?
Odds (a) = number of ways an event can occur (successes)/the number of ways it cannot occur
300
What is ±√(16/81)?
What is ±4/8?
300
9/25 + (-17/25)
What is -8/25?
300
-4m(-7m) + (3d)(-4c)
28m^(2)-12dc
300
-15/32 ÷ 3/4
What is - 5/8?
300
A bowl contains 5 red Skittles, 7 blue Skittles, 6 yellow Skittles, and 10 green Skittles. One Skittle is randomly drawn. Find P(blue).
What is P (B) = 7/28 - 1/4 or .25?
400
What is √50?
What is 5√2? Explanation: √25 x √2 = 5√2
400
16.4 + (23.7)
What is -7.3?
400
-4x(y-2z)+x(6z - 3y)
-4xy+8xz+6xz - 3xy = -7xy + 14xz
400
Evaluate (5)(-7)(4)(1/2)(0)(4)
What is 0?
400
A bowl contains 5 red chips, 7 blue chips, 6 yellow chips, and 10 green chips. One chip is randomly drawn. Find P(red or yellow).
What is 11/28? (There are 5 ways to pick a red chip and 6 ways to pick yellow chips. There are about 11 ways to pick a red or yellow chip.)
500
What is √196?
What is 14?
500
-7/12 - (-5/9)?
What is -1/36?
500
1.2(4x + 5y) - 0.2(-1.5x + 8y)
5.1x - 7.6y
500
21.8 ÷ (-2)
What is -10.9?
500
During a 20 song sequence on a radio station, 8 soft-rock, 7 hard-rock, and 5 rap songs are played at random. Assume that all of the songs are the same length. What is the probability that when you turn on a radio, a hard rock song will be playing?
What is 7/20?
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