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Ramanujan Math Contest_Grade 7 Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which is an example of a census?
a.
a “phone-in” show
b.
conducting an online poll
c.
counting the number of people in Canada
d.
none of the above
 

 2. 

How many baseball games would Brodie have to schedule if there were 8 teams in a league and each team played each other twice?
a.
54
c.
56
b.
65
d.
none of the above
 

 3. 

What is mc003-1.jpg?
a.
mc003-2.jpg
c.
mc003-4.jpg
b.
mc003-3.jpg
d.
none of the above
 

 4. 

Which net would fold to make a pentagonal pyramid?
a.
mc004-1.jpg
c.
mc004-3.jpg
b.
mc004-2.jpg
d.
none of the above
 

 5. 

How many linking cubes make up this structure?
mc005-1.jpg
a.
8
c.
10
b.
9
d.
none of the above
 
 
      Number Sense and Patterning/Algebra
 

 6. 

A paper bag contains two $20 bills, three $10 bills, eight $5 bills, and one $100 bill. What is P($100 bill) expressed as a fraction in lowest terms?
a.
mc006-1.jpg
c.
mc006-3.jpg
b.
mc006-2.jpg
d.
none of the above.
 

 7. 

What is the missing term in the following sequence?
1, 3, 5, ?, 9, 11
a.
5
c.
7
b.
6
d.
8
 

Short Answer
 

 8. 

Use this table of values to create a scatter plot. Extend the pattern to include the next three terms.  What are the next three terms?
Term number
Term value
1
4.5
2
9
3
13.5
4
18
5
22.5
 

 9. 

Use a grid and counters to model and calculate the difference.  However, only provide the answer in the space below:

sa009-1.jpg
 

Problem
 

 10. 

Ashley and Celeste were sharing a chocolate bar. Ashley ate pr010-1.jpg the chocolate. Celeste ate pr010-2.jpg of the chocolate. As a fraction, how much more chocolate did Ashley have than Celeste?
 

 11. 

Adlai determines that because there are 26 red cards in a deck of cards, that the probability of randomly drawing a red card from a complete deck of cards is pr011-1.jpg. Is this an example of theoretical probability or experimental probability? Explain your thinking.
 



 
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