BELLWORKRenee wanted to see if her dog tired faster when the temperature outside was hotter or cooler. She kept a record for one week to see. By looking at the data in the graph, how many minutes would it take Renee’s dog to get tired if the temperature outside is 73˚?

A. 30 minutes

B. 31 minutes

C. 32 minutes

D. 33 minutes

 

Days of Week

Temperature ˚F

Time in minutes

Monday 80˚ 25

Tuesday 84˚ 21

Wednesday 90˚ 15

Thursday 93˚ 12

Friday 87˚ 18

Case 21 Monday Review

A Yow-tastic Presentation

Problem 1

Three expressions are show in the boxes.

Box W: Box Y: Box Z:

Which order lists the boxes in order from least value to greatest value?

a) Box W < Box Z < Box Y b) Box Z < Box W < Box Y

c) Box W < Box Y < Box Z d) Box Z < Box Y < Box W

24(7 2) 3 22(7 2) 20 2200 (7 3)

Problem 2

Mary makes window curtains out of fabric. She has two pieces of fabric left. The first is yards long and the second is half of the length of the first.

How many yards of fabric does Mary have left?

a) yards b) yards c) yards d) yards15

4

74

83

34

51

8

Numba 3

In a recent quiz bowl competition, Nick answered 4 out of 5 questions correctly, Julie answered 72 % of her questions correctly, and Juan answered 19 correctly and 6 incorrectly.

 Which list correctly orders the students’ percentage of correct answers from least to greatest? 

a) Nick < Julie < Juan b) Nick < Juan < Julie

c) Julie < Juan < Nick d) Juan < Julie < Nick

 

Problem the 4

A cookie crumb weighs kg. How is this number written in standard form?

a) 0.0000023 kg b) 0.000023 kg

b) c) 23,000 kg d) 230,000 kg

52.3 10x

Cinco or 5

Four bananas cost $2.56. At the same rate, how much do 6 bananas cost?

a) $8.56 b) $5.12 c) $3.84 d) $1.71

El six-o

Josh claims that is equivalent to .

Which statement is true about Josh’s claim?

a) Josh is incorrect because he multiplied 4 and 3 instead of adding them.

b) Josh is incorrect because he should have multiplied 10 times 10 to get 100.

c) Josh is incorrect because he should have subtracted the exponents instead of multiplying them.

d) Josh is incorrect because he should have added the exponents instead of multiplying them.

4 43 10 4 10x x x 1612 10x

Hepta-problem (7)

Which inequality sign can replace the circle to make a true statement?

a) > b) = c) < d)

4 3 50 5

(Sorry, it fell asleep!)

Kimberly was asked to graph the equation .

 

Which table correctly represents the coordinates needed to produce the line for the equation?

a. b. c. d.

3 4d n

n d

16 4

22 6

31 9

n d

4 16

6 22

9 31

n d

1 7

3 12

5 19

n d

7 1

12 3

19 5

Why is 6 afraid of 7?

B/c 7, 8 9!The United States has an area of 3,790,000

square miles. How is this number written in scientific notation?

a)

b)

c)

d)

 

63.79 10x63.79 10x

537.9 10x537.9 10x

And finally……

Which statement best justifies the denseness of the rational numbers?

a) Given and 2 numbers, there are infinitely many rational numbers between them.

b) The number line goes to infinity to the left and to the right.

c) Every point on the number line is a rational number.

d) There is only 1 rational number between any 2 given rational numbers.

100

Closure

Which of the following best represents the graph of the function containing each of the ordered pairs shown in the table below?

F.

G. H. J.

x y

-3 3

1 2

5 1