First Nine Weeks
Which category does -5 fall into?
Natural numbers, Whole numbers, Integers, or Rational numbers.
Integers
Circumference = 29.83
What does percent mean?
"Out of 100"
What is the probability of rolling a 3 on a standard number cube?
1/6
Explain the difference of Experimental Probability vs. Theoretical Probability.
Experimental: What actually happened
Theoretical: What should happen
What is -5 times -23?
115
Find the area of a circle with a radius of 5.
78.5
What is 20% of 225?
45
What is the probability of flipping a coin and it landing on heads, then rolling a standard number cube and rolling a 4?
1/12
A bag has 3 red balloons, 5 black balloons, 2 green balloons, 1 white balloon, and 4 orange balloons. What is the probability, in decimal form, of selecting a black balloon?
0.333
What is 3/4 + 1/2?
1 1/4
Find the area of the following composite figure:
(Slide #1)
64 cm2
David owns two rugs that are similar rectangles. The first rug has a length of 7 feet and a width of 5 feet. The second rug has a length of 10.5 feet. What would the width of the second rug be?
7.5 feet
A jar contains:
4 black markers, 3 red markers, 5 blue markers, and 3 yellow markers.
What is the probability of selecting a red marker first, replacing it, then selecting a blue marker?
1/15
In a scale used on a map, 1/2 inch represents 10 miles. On a map, Dallas to Waco is 90 miles. What would the distance between Dallas and Waco be on the map?
4.5 inches
Solve the following:
3x + 5 = 20
x = 5
Find the Volume of the following pyramid:
(Slide #2)
160 in.3
A shirt originally cost $4.50 then the price increased to $13.50. What is the percent of change in the price of the shirt?
200%
A box of cookies has 3 chocolate chip, 4 peanut butter, 6 oatmeal raisin, and 7 sugar cookies. What is the probability of selecting a peanut butter cookie first, and eating it, then selecting a chocolate chip cookie?
3/95
The following image shows two similar triangles. Solve the following for x.
(Slide #4)
x = 21.33
Solve the following:
-2x - 6 < 18
x > -12
Write an equation that represents this graph:
(Slide #3)
y = 12x
Two friends with to eat and their total bill was $45.20. If they left a 15% tip, what would the total cost of their meal be, including the tip?
$51.98
A box of donuts contains 4 chocolate iced, 6 glazed, and 8 with sprinkles on top. What is the probability that you select a donut with sprinkles, eat it, then select another donut with sprinkles?
28/153
In a box of 1200 pens, 15% are red, 35% are blue, and the rest are black. How many black pens are in the box?
600