Statistics and Algebraic Concepts
What is the median of this data set?
82, 59, 91, and 88
Plot these numbers on a number line:
-4 and the opposite of -4
see board
Chester lives 3/4 of a mile from school. Ellie lives 1/4 of a mile from school. Charley lives between Chester and Ellie. What are two possible distances that represent how far Charley has to walk to school?
3/8 and 5/8
5/16 and 13/16
etc. etc.
Kelly has a collection of red and blue marbles. The ratio of red to blue marbles is 3:7.
She has a total of 80 marbles.
How many blue marbles does she have?
56
Evaluate
3 * (4 + 7) * 5
165
What is the mean of this data set?
82, 59, 91, and 88
Plot these numbers on a number line:
-3/4 and 2 1/3
see board
Evaluate (no calculators):
3 1/2 * 2 2/5
42/5, or 8 2/5
Complete the problem. Round your answer to the nearest hundredth.
10.045 + 32.882
42.93
|-186|
186
In Erin's class, all your math test scores have to have a mean of at least 83 to get a B for the class. What is the lowest score a student can get on his last test in order to get a B, if his earlier scores are:
82, 59, 91, and 88
95
Dry lentils are sold in bulk at the Bath Natural Market. You can get 4 pounds for $5. How much would 22 pounds cost at this rate?
$27.50
Evaluate (no calculators):
1 5/6 divided by 1/4
22/3 or 7 1/3
Complete the problem. Round your answer to the nearest hundredth.
49.62 * 8.4
416.81
14+ 3 * 2 - 15
5
Evaluate
|-14| - |-5|
9
Package A has 1 dozen eggs and costs $2.88.
Package B has 1 1/2 dozen eggs and costs $3.88.
Which package has the best value for its price?
Package B.
Evaluate (no calculators)
3 1/9 divided by 1 3/4
16/9 or 1 7/9
Complete the problem. Round your answer to the nearest hundredth.
225.06 divided by 3.8
59.23
(14 + 3) * (2-1)
17
Evaluate
|-9| + |6|
15
What is the LCM of (6,8)
24
Elie has 10 cups of flour. The recipe she is following requires 1 1/2 cups of flour for one loaf of bread. How many loaves of bread can Elie make?
6
5 is ______ % of 25.
20
Which number is larger?
34 or 43
34