Expressions
Alexa is helping her dad build a tree house. The expression 180 x (n - 2) gives the sum of the measures of the angles, in degrees, of a polygon with n sides. What is the sum of the measures of the angles in a polygon with 10 sides?
1,440 degrees
What is 5% of 180?
9
9 - (-5)
14
Write 6 girls to 8 boys as a ratio in 3 ways.
6/8
6:8
6 to 8
A dime is 1/2 inch wide. If you put 5 dimes end to end, how long would they be from beginning to end?
2 1/2 inches long
The expression 500v gives the number of points Collin earns for completing v voyages in a video game. How many points are earned for completing 8 voyages?
4,000 points
Emma is saving money to buy a new scooter. She needs $120 but only has saved 60% so far. How much more money does Emma need to buy the scooter?
$48
(-56)/(-8)=
-7
If Ev types 120 words per 3 minutes, what is her rate of typing?
40 words per minute
A baker is making cakes for a big party. She uses 1/4 cup of oil for each cake. How many cakes can she make if she has a bottle of oil that has 6 cups in it?
24 cakes
The expression (p/20) x 4 gives the time in minutes that a person will have to wait to ride a roller coaster when there are p people in front of him or her. How long will Marly have to wait if there are 60 people in front of her?
12 minutes
0.5% of all statistics are true. If you have a list of 1,400 statistics. How many are true?
7 statistics are true
-15 * (-4)
60
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
The serving size for the granola that Ted likes to eat for breakfast is 3/4 cup. How many servings are there in a box that holds 13 cups?
17 1/3 servings
Use the distributive property to write an expression equivalent to 12b + 20y.
4 x ( 3b + 5y )
A furniture store paid $75.29 for a couch. To make a profit, the store charged 270% of the cost. What is the price tag the store puts on the couch?
$203.28
-|-9|
-9
Solve for x. 6/10 = 18/x
30
Linda started taking piano lessons. She had to practice 1 3/4 hours each day. If after 8 days, Linda decided to stop taking lessons- how many hours did she take lessons?
14 hours
The formula P = 2 (l + w) gives the perimeter of a rectangle with length l and width w. What is the perimeter of a rectangular soccer field with a length of 120 yards and a width of 75 yards?
390 yards
A candy lady paid $0.75 for each pack of taffy. She made a profit, she charged 125%of what she paid. How much did she charge for each pack of taffy?
$0.94
(10*-2)/5
-4
Ms. Curtis students study for 25 hours for 2 tests, and studies 100 hours for how many tests?
8 test
You have 6 donuts and you want to give 2/3 of them to a friend and keep the rest for yourself. How many donuts would your friend get?
4