Percent
A shirt originally costs $20 and is on sale for 25% off.
What is the sale price?
$15
Find the percent change. Is it increasing or decreasing?
Original amount: 625
End amount: 550
12% decrease
Two or more angles that add up to 90° represent what kind of angle relationship?
Complementary angles
There is a jar of marbles. 7 marbles are blue and 3 marbles are green. What is the likelihood of choosing a blue marble?
Use impossible, unlikely, neither likely or unlikely, likely or certain.
Likely
A spinner has 4 equal sections: red, blue, green, yellow. What is the probability of landing on blue?
1/4
Two or more angles that add up to 180° represents what kind of angle relationship?
Supplementary angles
There is a dozen doughnuts: 4 are glazed, 3 are chocolate frosted with sprinkles, 3 are strawberry frosted with sprinkles, and 2 are blueberry. If you pick a doughnut at random, what is the likelihood of choosing a strawberry frosted doughnut with sprinkles?
Use impossible, unlikely, neither likely or unlikely, likely or certain.
Unlikely
A bag contains 3 red, 5 blue, and 2 green marbles. What is the probability of drawing a blue marble?
5/10 = 1/2
A laptop costs $600. It is discounted by 15%, and then a 7% sales tax is added. What is the final price?
$545.70
Two angles are complementary. One angle is 2x°, and the other is 3x°. Find x.
2x+3x = 90
5x = 90
x= 18°
There are
Use impossible, unlikely, neither likely or unlikely, likely or certain.
Certain
A box contains 4 pens, 6 pencils, and 5 markers. If one item is chosen at random, what is the probability it is not a pencil? Write the answer as a fraction, decimal and percent.
9/15 = 3/5, 0.6, 60%
A jar of coins has 20 quarters, 60 dimes, and 30 nickels. What is the likelihood of selecting a penny?
Use impossible, unlikely, neither likely or unlikely, likely or certain.
Impossible
A store buys a backpack for $32 and marks it up by 40%. Then they offer a 10% coupon. What is the final price after the coupon?
$40.32
What is the likelihood of flipping a heads on a regular coin?
Use impossible, unlikely, neither likely or unlikely, likely or certain.
Neither likely or unlikely (50%)