Exponents
What is the value of 33?
27
Consider the expression 20-(42÷2). How many terms does it have?
2 terms
Nancy hopes to collect 100 oysters from the ocean. She has collected 15% of her goal so far. How many oysters does she have?
15 oysters
1/2 + 1/3
5/6
A car drives 100 miles in 2 hours. What is its unit rate in miles per hour?
50 miles per hour
Evaluate 23 x 22.
32
Use the order of operations to evaluate the expression.
4(7+9)+82-7
121
Sally eats lunch at a restaurant and her bill is $12. She would like to leave a 15% tip for the waiter. How much money should she leave?
$1.80
Evaluate the problem. Simplify your answer.
4/5 * 9/10
18/25
Cody's aunt pays him $30 to walk her dog 6 times. At this rate, how many times must he walk the dog in order to make $100.
20 times.
73
Evaluate the expression.
6(9-6)-23+4
14
A town spends 43% of its annual budget on education. If the town's budget is one million dollars, how much will be spent on education?
430,000
10 ÷ 3 3/4
2 2/3
Wyatt can read a 300 page book in 10 hours. His twin sister, Savannah, can read a 350 page book in 11 hours. Who reads at the faster rate?
Savannah does.
Carrie recruits 3 of her friends to sell candles to raise money for new playground equipment. The next day each of her 3 friends recruits 3 more friends. This pattern continues for 5 days. Write an exponential expression to represent the number of new recruits on the 5th day.
35
12/(4*5)
Students are auditioning for a school play. Only 18 of the 45 students auditioning will get a part in the play. What percent of the students who audition will be in the play?
40%
5 1/2 ÷ 6 1/3
33/38
Greg drove 300 miles at a constant speed in 5 hours. The speed limit was 70 miles per hour. Was his rate greater than the speed limit?
No his unit rate was 60 miles per hour, which is less than the speed limit of 70 miles per hour.
On a tree, the trunk splits into 7 branches. Then each branch splits into 7 smaller branches, and each of those branches splits into 7 very thin branches. How many branches are there in total?
399 branches
For a company picnic, Todd fills 30 paper cups with ketchup and Yuki fills 27 paper cups with ketchup. Each paper cup holds 1 ounce. Later, Todd and Yuki learn that two other company employees completed exactly the same task. How many ounces of ketchup did the four employees prepare?
2(30+27) = 114 ounces of ketchup
200% of 500 is?
1000
Evaluate the expression.
(1/2)^5
1/32
Charlie bought a 20-foot chain for $36.50. What is the unit rate of price per foot?
$1.83