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JaLena Slack, [email protected]PowerPoint Presentation

JaLena Slack, [email protected]

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Tina finished of the job. What percent of the job, in decimal form, did she complete?

- .44
- .55
C. .65

D. .7

B

Place these numbers in ascending order:

40%, 3/5, .5, 9%, 5/8

A. 40%, 9%, 3/5, .5, 5/8

B. 5/8, 3/5, .5, 40%, 9%

C. 9%, 40%, .5, 3/5, 5/8

D. 9%, 40%, 3/5, .5, 5/8

C

An elevator in a large office building started out on the 31st floor. The Elevator went up 22 floors, stopped for a minute and then went down 36 floors. After stopping for a bit, it went up 7 floors. At that time, what was the floor number of the elevator?

- 18
B. 24

C. 45

D. 89

B

The temperature at 8:00 a.m. was -11°F. By noon the temperature had risen 18°F. Between noon and 6:00 p.m. the temperature dropped 9°F. What was the temperature at 6:00 p.m.?

A.-2°F

B. 9°F

C. 16°F

D. 20°F

A

Two hikers started their morning hike at base camp. In the morning they climbed 671 feet. After lunch they continued by going down 322 feet into a valley. Later that afternoon they continued from the bottom of the valley by climbing another 424 feet up a trail. At that time, how many feet above base camp were they?

A. 349

B. 569

C. 773

D. 1417

C

Given the equation below, which step would solve the problem?

x – 79 = 43

A. Subtract 43 from both sides.

B. Add 43 to both sides.

C. Subtract 79 from both sides.

D. Add 79 to both sides.

D

Given the equation below, which step would solve the problem?

11 = -12 + x

A. Subtract 11 from both sides.

B. Add 12 to both sides.

C. Subtract 12 from both sides.

D. Multiply both sides by 12.

B

Sale! 40% off the regular price of a $90.00 item. What is the sale price?

- $54.00
- $50.00
C. $36.00

D. $22.50

A

Maria’s book collection totaled 125 books. If she increases this collection by 40%, how many books would she then have?

- 50
- 165
- 175
D. 185

C

Juan finished reading 32 pages of his 80 page book. What percent of the book is this?

- 32%
- 40%
C. 80%

D. 256%

B

The voter turnouts at the 3 election sites were 744, 866, and 999.

Which expression shows the best way to estimate the total number of voters?

A. 700 + 800 + 900

B. 800 + 900 + 1,000

C. 700 + 800 + 1,000

D. 700 + 900 + 1,000

D

The basketball team scored 83, 77, and 64 points in their last 3 games.

Which expression shows the best way to estimate the total points scored in these 3 games?

A. 83 + 80 + 60

B. 90 + 70 + 60

C. 80 + 80 + 60

D. 80 + 80 + 70

C

The last 3 days the stock market closed +81, -72, and +17.

Estimate the overall change in the stock market.

A. 10

B. 20

C. 30

D. 40

C

Which point is (2, 0)?

- A
- B
- C
D. D

What are the

coordinates of C?

- (0 , 2)
B. (-2 , 0)

C. (2 , 0)

D. (0 , -2)

B

D

Which point is (-3,0)?

- A
B. B

C. C

D. D

What are the

coordinates of A?

- (0 , 3)
B. (-3 , 0)

C. (3 , 0)

D. (0 , -3)

D

A

Which point is (-1,3)?

- A
B. B

C. C

D. D

What are the

coordinates of C?

- (1 , 2)
B. (1 , -2)

C. (-2 , 1)

D. (2 , -2)

A

B

What is the area of rectangle ABCD?

- 12 sq. units
B. 24 sq. units

C. 35 sq. units

D. 48 sq. units

C

What transformation of ABCD will create EFGH?

- dilation
B. rotation

C. reflection

D. translation

D

What transformation of triangle ABC will create triangle DEF?

- dilation
B. rotation

C. reflection

D. translation

B

What transformation of triangle ABC will create triangle DEF?

- dilation
B. rotation

C. reflection

D. translation

C

What is the area of the circle?

- 12.56 sq. units
B. 18.84 sq. units

- 28.26 sq. units
D. 37.68 sq. units

C

What is the area

of the circle?

- 3.14 sq. units
B. 6.28 sq. units

- 12.56 sq. units
D. 25.12 sq. units

C

What is the circumference of the circle?

- 3.14 units
B. 6.28 units

C. 12.56 units

D. 25.12 units

C

The school is purchasing $12 shirts and $9 hats. Which algebraic expression could be used to find the amount of money spent if the school purchased

x shirts and y hats?

- x + y
B. 12x + y

C. 21xy

D. 12x + 9y

D

A company charges $.75 to use their computers. In addition, they charge $.15 for each minute online. Which algebraic expression could be used to find the amount of money the company charges for x minutes?

- .15 + .75
B. .75 + .15x

C. .15x (.75)

D. .75x + .15

B

A car rental business charges a basic rate of $42 plus $17 for each day rented. Which expression could be used to find the amount of money the company charges for x days?

A. 42 + 17

- 42x + 17
- 42 + 17x
D. x(42+ 17)

C

Tom’s window cleaning business makes a minimum of $27 dollars for each house. Which inequality represents the dollars, d, that Tom makes per house?

A. d > 27

B. d < 27

C. d ≥ 27

D. d ≤ 27

C

Juan’s walk around the school was completed in less than 451 steps. Which inequality represents the number of steps, s, that Juan took?

A. s > 451

B. s < 451

C. s = 451

D. s ≤ 451

B

More than 73 students were absent from school. Which inequality represents the number of absent students, s, in the school?

A. s > 73

B. s > 74

C. s < 73

D. s ≥ 73

A

The city purchased trees at $85 each. The total cost for the city was $2720. How many trees did the city purchase?

- 32
B. 33

- 85
D. 2635

A

A librarian purchased 7 books for $18 each and some magazines for $5 each. The librarian spent a total of $186. Which equation shows how many magazines, m, were purchased?

A. 7 + 18 + 5m = 186

B. 7(18) = 186 + 5m

C. 186 = 7(18) – 5m

D. 186 = 7(18) + 5m

D

The college had 4,200 stadium seats to rent for the football game. Only 467 seats were not rented. How many stadium seats were rented?

- 4,667
- 4,267
- 3733
D. 3743

C

What is usually the first step in solving this equation?

A. Multiply both sides of the equation by 7.

B. Subtract 2 from both sides of the equation

C. Add 2 to both sides of the equation

D. Subtract 14 from both sides of the equation

B

What percent of the students chose beans as their favorite vegetable?

A. 15% B. 20% C. 25% D. 40%

C

Which month had the most combined, cars and trucks, total sales?

A. April B. February C. May D. June

C

Use the set of numbers below to answer the question.

What is the median of the list of numbers?

What is the mean of the list of numbers?

What is the mode of the list of numbers?

What is the range of the list of numbers?

2

3

2

4

Use the set of numbers below to answer the question.

What is the median of the list of numbers?

What is the mean of the list of numbers?

What is the mode of the list of numbers?

What is the range of the list of numbers?

4

5

4

5

Use the set of numbers below to answer the question.

What is the median of the list of numbers?

What is the mean of the list of numbers?

What is the mode of the list of numbers?

What is the range of the list of numbers?

3.5

4

3

3

One bucket has 7 red balls and 3 white balls. A second bucket has 2 green balls and 8 pink balls. A ball is randomly selected from each bucket. What is the probability of selecting a red ball and a pink ball?

- 0.14
B. 0.24

- 0.56
- 0.63

C

One bucket has 7 red balls and 3 white balls. A second bucket has 2 green balls and 8 pink balls. A ball is randomly selected from each bucket. What is the probability of selecting a red ball and a green ball?

- 0.14
B. 0.24

- 0.56
- 0.63

A

One bucket has 7 red balls and 3 white balls. A second bucket has 2 green balls and 8 pink balls. A ball is randomly selected from each bucket. What is the probability of selecting a white ball and a pink ball?

- 0.14
B. 0.24

- 0.56
- 0.63

B

Students are given a colored spinner divided equally between yellow, brown, black, and blue sections. Students spin the spinner 100 times and collect the data in a chart. Which statement reflects the relationship between the experimental and theoretical probability of the spinner landing on yellow.

A. There is not enough information to calculate the experimental probability.

B. The experimental probability is greater than the theoretical probability.

C. The experimental probability and theoretical probability are equal.

D. The experimental probability is less than the theoretical probability.

C

Students are given a coin, which has heads on one side and tails on the other side. Students toss the coin 100 times and record the results of their coin tosses. Which statement reflects the relationship between the experimental and theoretical probability of the coin toss resulting in a “Tails?”

A. There is not enough information to calculate the experimental probability.

B. The experimental probability is greater than the theoretical probability.

C. The experimental probability and theoretical probability are equal.

D. The experimental probability is less than the theoretical probability.

B

Students are given a number cube with each of 1, 2, 3, 4, 5, and 6 appearing on one of the faces of the cube. Students toss the number cube 60 times and record the results of their number cube tosses. Which statement reflects the relationship between the experimental and theoretical probability of the cube resulting in a “1?”

A. There is not enough information to calculate the experimental probability.

B. The experimental probability is greater than the theoretical probability.

C. The experimental probability and theoretical probability are equal.

D. The experimental probability is less than the theoretical probability.

D

- Write all the sets to which the following number belongs. Choose from irrational, rational, whole, or natural numbers or integers.
¼

Rational

Write all the sets to which the following number belongs. Choose from irrational, rational, whole, or natural numbers or integers.

-8

Integers and rational

Use numbers and symbols to write and solve:

The quotient of two-sevenths and one-ninth.

2/7 ÷ 1/9 = 2 4/7

You can job ¼ mile in 2 minutes. How long will it take you to jog 3 miles?

(2 ÷ ¼) ∙ 3 = 24 minutes

On Tuesday, Gigi borrowed $12 from her sister. The next day she paid $7. Then on Friday she borrowed $4 more. How much did Gigi owe then?

-12 + 7 – 4 = -$9, she owes $9

A man who is 6 feet tall casts a shadow that is 4 feet long. A nearby tree has a shadow 30 feet long. How tall is the tree?

45 feet

Draw the line(s) of symmetry. If there are no lines of symmetry, write none.

Draw a line from left to right through the center.

Sketch a rectangular prism.

Sketch a cylinder.

Sketch a triangular prism.

Use a protractor to draw a 40° angle.

Use a protractor to draw a 125° angle.

Use a protractor to draw a 80° angle.

You are having four friends over to watch a movie. Estimate how much lemonade you should make so each of you can have at least two glasses.

3 gallons 3 liters 3 ounces 3 milliliters

3 liters

Write an algebraic expression for: Mom made 3 dozen cookies, then Ruff our dog ate some of them.

3(12) – x or 36 - x

Write an algebraic equation for:

The perimeter of an isosceles triangle is 32. The congruent sides measure 10 cm, what is the measure of the third side?

10 + 10 + x = 32 or 2(10) + x = 32

Write an algebraic expression for:

A group of friends met at a game, then 3 had to leave before halftime.

x - 3

The number line shows that the sum of -4 and 4 is 0. Two numbers whose sum is 0 are:

- The absolute values of the numbers
- Additive inverses
- Multiplicative inverses
- Opposites

B

Use symbols and variables to show the distribute property.

a(b + c) = ab + ac or a(b - c) = ab - ac

In solving the equation: 3x + 4 = 25, what property do you use to do the step

3x + 4 – 4 = 25 – 4

Subtraction Property of Equality

In solving the equation: 2x – 6 = 30, what property do you use to do the step

2x – 6 + 6 = 30 + 6

Addition property of equality

In solving the equation: , what property do you use to do the step

Multiplication property of equality

Which sample is more likely to be random? You want to survey Mothers about the snack they buy for their toddlers. Would you:

- Ask women entering a mall.
- Ask women dropping children off at daycare.

B

You want to know which stores in a mall are shopped the most. You walked around the mall and survey 40 shoppers. What was the population of your survey, and what was the sample?

Population – everyone at the mall

Sample – the 40 shoppers you surveyed

Is the following question fair or biased? Explain your answer.

Do you think soft, cuddly cats make better pets than big, rowdy dogs?

Biased, the description makes one pet sound better than the other.

Is the following question fair or biased? Explain your answer.

Do you prefer movies or TV shows?

Fair, the question does not influence the answer.

Write a fair question for a survey about a group’s choice of fast food.

Example: What is your favorite fast food?

Would you use a survey or a simulation to decide how many field goals a kicker will during a football game?

Simulation

Would you use a survey or a simulation to predict how many defective parts will come off an assembly line during an 8 hour shift?

simulation

A survey of voters before the primary showed candidate Jones had 53% of the votes, while candidate Smith trailed with only 34% of the vote. The survey was conducted in Jones’ home town. Do you think you can make an accurate prediction of who will win the election?

No

A survey of voters before the primary showed candidate Smith trailed with only 34% of the vote. The survey was a phone poll of registered voters across the state. Do you think you can make an accurate prediction of who will win the election? Why?

Yes, the callers are random.

To determine what kind of sport junior high school students like to watch, 100 students are randomly selected from each of four junior high schools in a city. Of these, 47% like to watch football. The

superintendent concludes that about half of all junior high students like to watch football.

Do you think you can make an accurate prediction of the most sport is most popular? Why?

Yes, the population reflects the sample.

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