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Date Submitted: 02/08/2011 12:52 PM
CheckPoint Chapter 2 – Week 2 Due Wednesday (day 3) of Week 2
Each answer is worth 1 point for a total of 25 points. Submit this worksheet to the Assignment Section in your eCampus.
MAT 115
NOTE: Type the Letter of your chosen answer by clicking on the red line next to ANSWER and then typing the Letter A,B or C.
1. (2.1-#10) List all factors of 66.
A) 1,2,3,6,11,22,33,66 B) 2,3,6,11,22,33 C) 1,3,11,33
ANSWER: __A__
2. (2.1-#14) Which of the following numbers are composite?
0,1,15,19,23,31,49,55,59,87,91,97,103,105
A) 1,23,31,59,91 B) 15,49,55,87,91,105 C) 0,1,19,23,31,105
ANSWER: __B__
3. (2.1-#16) List all the prime numbers between 55 and 75
A) 55,57,59,61,63,65,67,69,71,73,75 B) 55,70,75 C) 59,61,67,71,73
ANSWER: _C___
(2.1-#22) Dr.Mento has a class of 80 students. For a group project, she wants to divide the students into groups of 6, 8 or 10. Is this possible?
4. for 6? A) YES B) NO ANSWER: _B___
5. for 8? A) YES B) NO ANSWER: _A___
6. for 10? A) YES B) NO ANSWER: _A___
7. (2.2-#24) Find two factors of 28 with a sum of 11.
Vern’s tip: In order to be a factor, that number must divide into the original number evenly.
A) 2 and 14 B) 4 and 7 C) 5 and 6
ANSWER: _B___
8. (2.3-#8) What fraction represents the shaded part of the figure?
A) 1/2 B) 4/7 C) 3/7
ANSWER: _C___
(2.3-#18) At lunch, 5 people out of a group of 9 had hamburgers.
9. What fraction represents the part of the group who had hamburgers?
A) 4/9 B) 5/9 C) 1/2
ANSWER: __B__
10. What fraction represents the part of the group who did not have hamburgers?
A) 4/9 B) 5/9 C) 1/2
ANSWER: __A__
11. (2.3-#42) Change 58/7 to a mixed number.
A) 4 1/2 B) 6 5/7 C) 8 2/7
ANSWER: _C___
12. (2.3-#60) Change 13 2/5 to an improper fraction.
A) 67/5 B) 20/5 C) 31/5
ANSWER: __A__
13. (2.4-#14) Jeff Bagwell of the Houston Astros had 104 hits in 325 times at bat. Matt Williams of the Arizona Diamondbacks has 88 hits in...