Use a factor tree to find the prime factorization of 400
What is 2^4 * 5^2
100
Order -4, -3.9, -2/9, 2/11 from least to greatest
What is -4, -3.9, -2/9, 2/11
100
3 3/6 - (-2/3)
What is 4 1/2
100
use the formula d=rt
r for d=12 mi and t=0.5h
What is 24 mi/h
200
The 48 members of a chorus will sit in rows in front of the 300 members of the audience. All the rows have the same number of chairs. What is the greatest possible number of chairs in each row.
What is 12
200
Explain how you can tell if a fraction is greater or less than 1/2
What is Change the fraction to a decimal and compare it to 0.5
200
a+x=3 a=1/2
What is 2 1/2
200
(-3)^2 +12*4
What is 57
300
Find the GCF of 27, 45. -81
What is 9
300
Erika worked from 4:55 P.M. to 5:30 P.M. Maria worked 2/3 of an hour. Who worked longer? Show your work.
What is Maria
300
The piece of wood that a carpenter calls a "2 by 4" is actually 1 1/2 in. thick by 3 1/2 in. surfaces touching, what is the tickles of the new piece?
What is 3 in.
300
5n^2 - 5 (2n-3)^2
n=-3
What is -360
400
A baseball player has 34 hits in 102 times at bat. Another baseball player has 24 hits in 96 times at bat. Write each player's batting average.
What is 0.333. 0.250
400
In a video game, you successfully completed 30 out of 55 levels. Your friend completed all but 7 out of 46 levels of another game. Who completed a greater fraction of the game?
What is your friend.
400
A cook needs 1 1/2 cups of sugar. The cook has 3/8 cup. How many more cups of sugar does the cook need?
What is 1 1/8
400
Each time a ball hits the ground, it bounces back to 2/3 of its previous height. On its second bounce, the ball reaches a height of 12 in. What was the ball's original height?
What is 27 in
500
Evaluate (1+a)/(2b) for a=3 and b=-5. Write your answer in simplest form.
What is -2/5
500
In the repeating decimal, 0.365 repeating, 0.365365365... which digit is 100 places to the right of the decimal point?