Ms. Ellerbeck made 9 chocolate cupcakes and 4 vanilla cupcakes. What is the ratio of vanilla cupcakes to chocolate cupcakes?
4:9
100
The Girls on the Run club plans to run 3 miles in 45 minutes. If they are running at a constant pace, how long will it take them to run 1 mile?
15 minutes
100
What is 60% of 20?
12
100
Write an expression to show: 12 increased by x
12 + x
100
Solve for c:
c + 61 = 105
c = 44
200
At recess, students were either playing kickball or soccer. 7 students played kickball and 15 students played soccer. What is the ratio of students who played kickball to the total number of students?
7:22
200
A group of hikers plans to hike 15 miles in 5 hours. At what hourly rate are they planning to hike?
3 miles per hour
200
A bookstore has 30 magazines. 90% of the magazines are news magazines. How many magazines are news magazines?
27 magazines
200
Write an expression to show: half of y plus 3
1/2y + 3
200
b = 12a + 4
What is b when a = 6?
76
300
The ratio of the number of boys at a school to the number of girls at a school is 3:4. What fraction of the students are girls?
4/7
300
It takes 1 sticks of butter and 3 cups of flour to make 18 cookies. How many cups of flour does it take to make 24 cookies?
4 cups of flour
300
Surafel answered 90% of the questions on a quiz correctly. If there were 50 questions on the quiz, how many did he get right?
45 questions
300
Look at the expression below:
120 / m + 7
What is the value of this expression when m = 8?
22
300
Lyonte reads 2 books every month for his book club. Write an equation to show how many books, b, he has read in m months.
(HINT: b = ________)
b = 2m
400
A class voted on whether to use IXL or Newsela. The ratio of votes was 7:5 in favor of IXL. If 15 students voted for Newsela, how many students voted for IXL?
21 students
400
Brightwood bought 100 sheets of blue paper for $13.75. Ms. Ellerbeck used 20 sheets of paper. How much money did that cost?
$2.75
400
A park ranger examined trees in a forest to see if they were infected with a virus. 8 trees had the virus, which represented 40% of all the trees. How many trees were in the forest?
20 trees
400
A movie theater charges $8 for a movie ticket. They sell bags of popcorn for $4. Write an expression show the total amount of money for m number of movie tickets and p bags of popcorn.
8m + 4p
400
The total cost, q, of shipping x boxes is represented by the equation below, where p represents the shipping cost per box:
px = q
If the total cost of shipping 15 boxes is $59.25, what is the shipping cost per box?
$3.95
500
When you are taking the DC-CAS, you should always _______ your numbers.
Label
500
A factory makes 300 feet of wire in 10 minutes. How many yards of wire does the factory make per hour?
HINT: There are 3 feet in 1 yard. There are 60 minutes in 1 hour.
600 yards
500
There was an outbreak of pink eye in a class. 30 students were absent, then 6 more went home in the middle of the day. If 80% of the students had pink eye, how many total students are in the class?
45 students
500
Write an expression that is equivalent to 5(4x+3).
20x + 15
500
The table below shows the number of red beads and green beads in Stacy's necklace.
Red beads (r) Green beads (g)
4 2
5 3
6 4
7 5
Write an equation to represent the number of green beads in her necklace. (HINT: g = ___________)