Extended Problem of the Week #18 7R

Name ______Date ______

Part One: NO Calculators

1)What whole number is the square root of 169?
a) 12
b) 13
c) 14
d) 15 / 2)The mass of a typical raindrop is
8.7 x 10-5 grams. What is 8.7 x 10-5 in standard form?
a) 0.000087
b) 0.0000087
c) 870,000
d) 8,700,000
3)Mario walks his dog once every 8 days in the park, while Todd walks his dog once every
14 days. Today, both Mario and Todd walked their dogs in the park. In how many more days will both boys walk their dogs in the park on the same day?
a)2 days
b) 22 days
c)56 days
d)112 days / 4)Veronica has a box that contains 24 pictures of her family, 6 pictures of her dog, and
12 pictures of her friends. Veronica randomly chooses one picture from the box.
Which statement best describes what will likely occur?
a)She will definitely pick a picture of her family.
b) She will most likely pick a picture of her family.
c) She is equally likely to pick a picture of her
family or of her dog.
d) She is equally likely to pick a picture of her family, of her dog, or of her friends.
5)The temperature of the sun at its core is approximately 27 million degrees Fahrenheit. What is 27 million written in scientific notation?
a) 2.7 x 106
b) 2.7 x 107
c) 27 x 106
d) 27 x 107 / 6)At 4 P.M. the temperature was 8˚. The temperature dropped 3˚each hour for the next 5 hours. After the 5 hours, what was the temperature?

5˚
3˚
-2˚
-7˚

7)The area of a circle is 121π in.2. What is the measure of the diameter of the circle?
a)11
b)22
c)60.5
d)121 / 8)What is the value of the expression?
2 +32 +| –4 |
a)7
b)12
c)15
d)29
9)Between which two integers does lie?
a) 7 and 8
b) 8 and 9
c) 49 and 64
d) 53 and 55 / 10) What expression represents:
16 less than 5 times a number, n?
a) 16n + 5
b) 16n - 5
c) 5n + 16
d) 5n - 16
11)What is the greatest common factor (GCF) of 64 and 84?
a)2
b)4
c)6
d)8 / 12)Which of these is an irrational number?
a) -2
b) 3.14
c)
d)
13)The graph shows the type of instruments played by students in the school. Caroline is chosen to perform a solo. What is the probability that she plays a brass instrument?

a)
b)
c)
d) / 14)Julio has a package of M&M’s. He predicts that 20% of the M&M’s will be yellow. He opens the package and discovers that there are 6 yellow M&M’s out of the 20 M&M’s that are in the bag. How does Julios prediction compare with what is actually in the bag?
a)Julio's prediction is too low.
b)Julio's prediction is too high.
c)Julio's prediction cannot be compared to the actual results.
d Julio's prediction is exactly the same as the actual results.

Part 2 – You may use a calculator and your reference sheet for this part.

15) Gene plans to build a deck that is 190 square feet.

Find the prime factorization of 189 and write your answer in exponential form.

Show your work.
Answer ______

Gene realizes that he also needs to convert 190 square feet to square yards. Show Jerry how to find this conversion and write the number of square yards on the line below

Show your work.
Answer ______
16) The table below shows the number of Earth days
it takes for two of Jupiter’s moons to make one full
orbit around Jupiter.
How much longer, in Earth days, does it take for Themisto
to orbit Jupiter than it does for Callisto to orbit Jupiter?
Write your answer in standard form.
Show your work.
Answer ______
17) What is the value of the expression below when a = -2 and b = 6?
3a3 + 5b2
Show your work.
Answer ______