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Math OAT Competition

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Math OAT Competition. PQR is similar to  XYZ Find the perimeter of  XYZ. 21 cm 63 cm 105 cm 126 cm. The 2 on the spinner shown will be replaced with a 7. How does the probability of the spinner landing on an even number change ?. It increases by 1/6 It decreases by 1/6 - PowerPoint PPT Presentation

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Page 1: Math  OAT Competition
Page 2: Math  OAT Competition

PQR is similar to XYZ Find the perimeter of XYZ

1. 21 cm

2. 63 cm

3. 105 cm

4. 126 cm

Page 3: Math  OAT Competition

The 2 on the spinner shown will be replaced with a 7. How does the probability of the spinner landing on an even number

change?

1. It increases by 1/6

2. It decreases by 1/6

3. It increases by 1/3

4. It decreases by 1/3

Page 4: Math  OAT Competition

Aqua Water Company purchased a new water tank. The tank is a cylinder with a diameter of 14 feet and a height of 24 feet. What is the volume of

the tank in cubic feet?

1. 168 cubic feet

2. 336 cubic feet

3. 3,693 cubic feet

4. 4,704 cubic feet

Page 5: Math  OAT Competition

Which subset of the real numbers contains ?

1. integers

2. whole numbers

3. rational numbers

4. irrational numbers

Page 6: Math  OAT Competition

Which equation represents a nonlinear function ?

1. y = x

2. y = 2 x

3. y = x2

4. y = x + 2

Page 7: Math  OAT Competition

The parallelogram shown is translated 4 units to the left and 2 units down. Which property will remain the

same?

1. length of the sides

2. coordinates of the vertices

3. coordinates of the y-intercept

4. distance from the vertices to the origin

Page 8: Math  OAT Competition

The graph shows the number of VCRs and DVD players shipped to distributors in North America from 1997 to 2002. what year did the number of DVD players shipped

first exceed 10 million?

1. 1997

2. 1999

3. 2000

4. 2002

Page 9: Math  OAT Competition

Marco is building a model of a square pyramid. He wants to cover the entire model, including the base, with gray paper. How many square feet of paper will he

need to cover the model?

1. 40 square feet

2. 46 square feet

3. 56 square feet

4. 96 square feet

Page 10: Math  OAT Competition

Which statement is true about the quotient when 12 is divided by a fraction greater than zero and less than one?

1. The quotient is undefined

2. The quotient is equal to 12

3. The quotient is less than 12

4. The quotient is greater than 12.

Page 11: Math  OAT Competition

The graph of y = x2 – 9 is shown. For what values

of x does x2 – 9 = 0?

1. x = 2 and x = -2

2. x = 3 and x = -3

3. x = 4.5 and x = 0

4. x = -9 and x = 0

Page 12: Math  OAT Competition

In the figure, lines j and k are parallel. Which angle

is congruent to 1?

1. 2

2. 3

3. 4

4. 5

Page 13: Math  OAT Competition

A bag contains 4 sour-apple candies and 3 watermelon candies. One piece of candy is chosen at random and returned to the bag. Then a second piece of candy is chosen at random. What is the probability that both pieces or candy chosen will be sour-apple?

1. 1/16

2. 12/49

3. 16/49

4. 8/7

Page 14: Math  OAT Competition

The formula used for converting the temperature from Fahrenheit ( F ) to Celsius ( C ) is

The outside temperature is 80ºF. About what is

this temperature in degrees Celsius?

329

5 FC

1. 27ºC

2. 45ºC

3. 80ºC

4. 140ºC

Page 15: Math  OAT Competition

Simplify:      52 • 5-2

1. 0

2. 1

3. 5

4. 25

Page 16: Math  OAT Competition

The line segment is shown on the coordinate

system. What is the slope of ? AB

AB

1. 2/7

2. -7/2

3. -2/7

4. 7/2

Page 17: Math  OAT Competition

Three vertices of a trapezoid are located at points (2, 3), (–2, – 2) and (5, –2). Which point

could represent the fourth vertex of the figure?

1. (5, 0)

2. (5, 4)

3. (–1, 3)

4. (–1, 5)

Page 18: Math  OAT Competition

Sarah has five hats of different colors: red, blue, green, yellow, and orange. How many different ways can Sarah arrange

these hats next to each other on a shelf?

1. 5

2. 10

3. 25

4. 120

Page 19: Math  OAT Competition

A cup of water is heated in a pan on the stove.  The temperature of the water increased from 22ºC to 35ºC in 20 seconds At this rate how long would it take the water temperature to increase from 22ºC to 100ºC?

1. 2 minutes

2. 3 minutes

3. 5 minutes

4. 6 minutes

Page 20: Math  OAT Competition

A store sold 28 boxes of juice from a case containing 48 boxes. Approximately what percent of the case of juice has been sold?

1. 20%

2. 30%

3. 40%

4. 60%

Page 21: Math  OAT Competition

What is the slope of the line containing the points (-2, 5) and (1, -7)?

1. - 4

2. - 2

3. 2

4. 4