mathleteschallenge.files.wordpress.com€¦ · created date: 3/13/2012 9:44:29 pm

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1. The science class did an experiment. A jar containing water and a thermometer wasplaced outside for twelve hours. Every hour the temperature was recorded.

Temperature Readings

About how many degrees did the temperature increase from 7 a.m. to 12 noon?

A 83'

B 45"

c 380

D 33"

oo" I

900 I

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50'lI400 I

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,o'I100 |

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.m. 9 a.m. L2 noon 3 p.m. 6 p.m.

Time

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.a-.-:......

t_.-'

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2. Which situation could best describe the graph?

0102030Time (minutes)

A Jamie walked for 10 minutes, rested for 10 minutes, then ran for 10 minutes'

B Jamie ran for 10 minutes, rested for 10 minutes, then walked for 10 minutes'

C Jamie walked for 10 minutes, ran for 10 minutes, then walked for 10 minutes'

D Jamie ran for 10 minutes, then walked for L0 minutes, then ran for 10 minutes'

a6tNotbu4oO<)

+) ()6n1

3. If these decimal numbers are changed

to reduced. fractional forn, in which

sequence does the denominator always

increase?

A 2,0.2,0.02,0'002

B 0.02, 0.03,0.04' 0.05

c 0.005,0.05,0.5,5

D 0.25, 0.025 , A-26,0.026

4. Mr- Hammond asked his c1ass"'Does 2

divide into 435 evenlY?" Who

answered correctlY?

A Mia answeredr'Yes' because the

first digit is even' so it d'ivides

evenlY'"

B PaYton answered,'Yes' because ifYou add uP all the digits in 435'

the sum is even, so it divides

evenlY."

C Julie answered, "It{o' because the

last digit in 435 is odd' so it willnot divide evenlY'"

D Max answered, "No' because 435

is not a factor of 2'"

5. Kyra needs to select from the list allnu*rbers divisible bY 6'

54,62,66,72,77 ,84,93

Which numbers should KYra choose?

A 54,62,72,77, and 84

B 54,'12,84, and 93

C 54,66,72, and'84

D 54,66,72,84, and 93

6. Which of these numhers is divisible byo.)JJ

A 61,234

B 63,344

c 66,47r ,

D 67,214

l.

e'

According to this graph, which of the following is true'3bout the early pioneers'food

resources?

Food ResourcesFor The EarlY Pioneers

A Fishing and firrits combined would be the largest food resources'

B wheat and. dairy farming make up about the same amount of the food resources'

C Fruits provide the least amount of food resources'

D vegetables and dairy farming make up the same amount of the food resources'

8. Each side of a square is 8 cm.

A rectangle has the same perimeter,but its length is 10 crn.

What is its width?

A 6cm

B l-1 cm

C L2cm

D 22cm

T'

9. Which of the following figures has theIeast number of edges?

A N---Z\/ \VZ

Y

- I - - - - -r

10. Kevin drew a diagonal inside aquadrilateral and made 2 equilateraltriangles. What kind of quadrilateraldid Kevin use to fuaw the triangles?

A rhombus

B pentagon

C rectangle

D trapezoid

B

C

D

l_1. Using the following Venn {ia-eram'how tany PeoPle have both dogs and

cats but no rabbits?

A 1" person

B 3 PeoPle

C 4 PeoPle

D 9 PeoPle

L2. What is the approximnfe mean of the

temperatures recorded during the

week of JulY 6?

92"F, 89'F, 900F, 78"F, 83"F, 90'F' 88"F

A 86-7"F

B 87-1"F

c 87.4"F

D 88.7"F

Jo

Lar:ren

BethTomZack

13. Mrs. Jones recorded the followinggrades for the math test:6s, 100,95, 85, and 70. What was the

average (mean) for this test?

A79883c 104

D 415

After each game the girls'basketballteam atePizza.

PizzaEatenbY Girls'Basketball Team

GameSlices of

PizzaEaten

1

2

3

4

D

6

16

L4

2lL7

19

15

What is the mean nrrmber of slices of

pizzaeaten after each game?

A20BL7c16D14

14.

t

15. The following are Tom's grades inscience: 80, 85, 100, 78, 90. Therewill be only one more test this gpadingperiod. What is the lowest grade Tomcan make and still have an 85 averagein the class?

A70877c86D 100

16. Which is the prime factonzation of 86?

A 3x2xZx2x2xZB 2x2xZxLL

C 2x43

D 2x4xll

What numbers belong in theintersection?

t7.

PrimeFactors

of30

A 2 andS

B 2 and5

C 3 andS

D 2,3, and 5

PrimeFactors

of40

4

18. Which of the following is a compositemimber?

A2

B3C4D5

19. Sasha's locker combination uses threecomposite numbers. Which of thefollowing could be the combination?

A 4,27,39

B 7,rr,L9

c 9, L3,2L

D 18,26,59

Which statement is true about this setof numbers?

20.

A

B

C

D

|t,2,3,5, 1gl

All of the numbers are prime.

All of the numbers are composite.

They are all odd numbers.

Four of the numbers are prime.

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