Math Challenge

1
Math Challenge

• To play this game, your team needs to solve the
  problems correctly. You will win the points if it
  is your turn. Your team can steal the points if
  the team with the turn is incorrect. Extended
  responses are worth 2 points. Good luck!

2
Order of Operation

• Simplify (8 2) x 3
•  
• 30
• 14
• 29
• 48

3
Measurement

• If Jessie wants to figure out how many cubes will
  fit into a box, what unit of measure could she
  use?
• Units
• Meters
• Cubic units
• Square units

4
Geometry

•    Katie made this net of a shape.

• Which shape did she make?
• A triangular prism
• A cube
• A rectangular pyramid
• A pentagonal prism

5
Tables and Graphs--E

• The table below shows the high and low
  temperatures for a 5 day period. 
• Calculate the mean of the low temperatures.
  Explain what the mean indicates about these low
  temperatures. (2 points)

6
Order of Operation

• Solve using the order of operations
• (30 2) 12 x 2
• A. 24
• B. 8
• C. 40
• D. 38

7
Graphs and Tables

• This graph shows the monthly additions to Gretas
  CD collection.
•  According to the graph, which prediction is
  reasonable estimate of how many CDs she will
  purchase in May.
•  
• A.       0
• B.        10
• C.        8
• D.       4
•  

8
Graphs and Tables-E

• How many dogs and cats do the students in Mrs.
  Dunns class own? Explain how you got your
  answer.( 2 pts)

9
GraphingOrdered pairs

• Which order pair represents the dot on the
  coordinate grid?
•  
• (2,-4)
• (-2, 4)
• (-6,-2)
• (2, 6)

10
Measurement-E

• After wrestling practice, each of the 15
  wrestling team members gets 8 ounces of juice.
  Coach Cofer brought 3 gallons of juice to
  practice.
•  Determine whether Coach Cofer brought enough
  juice for each team member to have 2, 8 ounce
  glasses of juice. Show work to support your
  answer. (2 pts)

11
Probability-E

• George has a bag full of candy to share with his
  little sister, Joy. 1/3 of the candy are yellow,
  1/5 of the candy are green, and the rest are red.
• What color is he most likely to give her if he
  just picks one from the bag without looking?
  Explain your answer. (2 pts)

12
Algebra-E

• Stuart rode his bike 5 miles a day for five days.
  On the sixth day he rode his bike for 12 miles.
  Write an equation for this situation. Use your
  equation to figure out how many miles Stuart rode
  altogether.(2pts)

13
Graphing

• Which families have less men than women at the
  reunion?
• Kildare and Brown
• OHara and Roberts
• Brown and Roberts
• Brown and OHara

14
Algebra

• Each child at New Albany Elementary must pay a
  school fee of 35. If a family has more than one
  child, the second child must pay only 30 for the
  school fee. If the family has more than two
  children, each additional child would pay 20 for
  the school fee. Which equation represents the
  school fees for a family with four children?
• f 35 30 (20 X 2)
• f 35 30 20
• f (35 X 2) 20 20
• f 35 30 30 20

15
Measurement

• Mike has a backyard with the following
  dimensions
• 24 feet

• Which expression shows how Mike could find the
  perimeter of his garden?
•  
• A.     24 X 12
• B.     24 X 12 X 2
• C.     24 24 12 12
• D.     24 12

12 feet  
16
Statistics-E (2pts)
17
Integers

• Solve the following problem
• 3 -4
• 7
• -1
• c. Not possible

18
Measurement

• What type of unit of measure would you use to
  wrap this box?
• A. the area of a box
• B. the length of a box
• C. the surface area of a box
• D. the volume of a box

19
Probability

• Brenda wants some ice cream. She can have a
  waffle cone or a sugar cone. She can choose
  between chocolate, vanilla, strawberry, or pecan
  ice creams. How many different combinations
  could Brenda make?
•   A.     10
• B.     8
• C.     12
• D. 4

20
Measurement

• Carla biked for 1 ¼ hours. How many minutes did
  she bike?
• 65 minutes
• 75 minutes
• 90 minutes
• D. 85 minutes

21
Fractions and Decimals

• Which list has 3 equivalent numbers?
• a. ½, .25, 25
• b. ¼ , 0.4, 40
• c. 3/5 , 0.6, 60
• d. 2/3, 0.68, 68

22
Fractions-E

• Jerry wanted to make cookies. He needed ¾ cups of
  sugar, ½ cup of butter, and 1 ¼ cups of flour.
  How many cups of batter did he make? Explain your
  work. (2 points)

23
Geometry--E

• Name the following polygons.

24
Measurement and Geometry

• What is the sum of the interior angles of a
  rectangle?
• 90 degrees
• 180 degrees
• 270 degrees
• d. 360 degrees

25
Integers

• Which list of numbers is from greatest to least?
• 15, -23, -9, -13
• -9, -13, -15, -23
• -13, -9, -23, -15
• d. -23, -15, -13, -9

26
Measurement-E

• Draw a 45 degree angle named angle ABC.

27
Measurement and Geometry

• What type of interior angles does a rectangle
  have?
• Right angles at 45 degrees
• 2 obtuse angles and 2 acute angles
• All acute angles
• d. Right angles at 90 degrees

28
Decimals and Fractions-E

• Dana went to the store and purchase a shirt for
  10.00. She bought it on sale for 25 off. Find
  write the equivalent fractions for the amount
  that she saved and the amount that she paid
  (without tax). Explain your answer. (2pts)

29
Decimals and Percents

• Which list has three equivalent numbers?
•  
• A. 1/3, 0.13, 13
• B. 3/5, 0.6, 60
•  
• C. 3/6, 0.5, 36
•  
• D. ½, 0.12, 12

30
Measurement

• A Square is shown.

• What is the sum of the interior angles of this
  figure?
• 90 degrees
• 270 degrees
• 360 degrees
• D. 180 degrees

31
Algebra

• Which problem represents the following equation
  5 5n 30
•  
• A.     Joe has 30. He started with 5. Each of
  his 10 friends gave him the same amount of money
  (n). How much money did each friend give Joe?
• B.     Joe has 30. He started with 5. Each of
  his 5 friends gave him the same amount of money
  (n). How much money did each friend give Joe?
• C.     Joe has 5. He gave each of his 5 friends
  the same amount of money (n). How many friends
  have 30?
• D.     Joe has 5. He gave each of his 10
  friends the same amount of money (n). How much
  money did Joe give each of his friends?

32
Measurement

• Billy exercised for 3 ¼ hours. How many minutes
  did he exercise for?
•  
•    A.    64 minutes
• B  B.   314 minutes
• C.   195 minutes
• D.   184 minutes

33
Measurement and Fractions-E

• Steve is using a mix to make both cookies and
  muffins. The amount of milk for each mix is
  stated in the chart.
• Cookies
• Muffins
• 2 1/3 cups of milk
• 1 ½ cups of milk
•  
• Use pictures, numbers, and words to help justify
  your answer.
• Steve has 4 cups of milk. Explain whether Steve
  has enough milk to make both recipes.(2 pts)

34
Number Sense

• A pattern is shown.
•  
• XCX XXCCXX XXXCCCXXX XXXXCCCCXXXX
•  
• Which is the next in this pattern?
•  
• XCXCX
•  
• XXXXXCXXXXX
•  
• XXXXXCCCCCXXXXX
•  
• XXXXXCCCCXXXXX

35
Measurement

• A circular table has a circumference of 48 feet.
• What is a reasonable approximation for the
  diameter of the table?
•  
• 144 ft
• 16 ft
• 12 ft
• 3 ft