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Ramanujan Math Contest 2021_Grade 7

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Figure 3.3
nar001-1.jpg
 

 1. 

Looking at Figure 3.3 above, how many hours would Evan spend at school?
a.
5
c.
8
b.
6
d.
25
 
 
Figure 3.7
nar002-1.jpg
 

 2. 

In the above graph (Figure 3.7), which fruit is the most preferred?
a.
Oranges
c.
Apples
b.
Peaches
d.
Bananas
 
 
Figure 3.4
nar003-1.jpg
 

 3. 

The above graph (Figure 3.4) indicates:
a.
the amount of money a company spends each year
b.
the percentage of money a family spend on different things
c.
the number of dollars a family has to spend
d.
a division of different expenses
 

 4. 

Which pattern rule would apply to the following sequence?
1, 5, 25, 125, 625, . . .
a.
start at 1, then add 4, then add 21
b.
start at 1, then list the square roots of 5
c.
start at 0, then multiply by 5 each time
d.
start at 1, then multiply by 5 each time
 

 5. 

Which sequence fits the following pattern rule?
Square the number, then add one.
a.
1, 2, 4, 5, 25, 26, 676, 677, . . .
b.
2, 4, 16, 17, 289, 290, 84100, 84101, . . .
c.
3, 9, 10, 100, 101, 202, 203, . . .
d.
0, 0, 1, 1, 2, 4, 5, 25, 26, . . .
 

 6. 

Which net would fold to make a triangular prism?
a.
mc006-1.jpg
c.
mc006-3.jpg
b.
mc006-2.jpg
d.
none of the above
 

 7. 

What is the missing measurement in the following chart?

Length
(cm)
Width
(cm)
Height
(cm)
Volume
mc007-1.jpg
12
 
4
264
a.
5
c.
6
b.
6.5
d.
5.5
 

 8. 

An integer is
a.
all positive and negative numbers
b.
all positive and negative whole numbers
c.
all positive and negative whole numbers including zero.
d.
all of the above
 

Short Answer
 

 9. 

What is sa009-1.jpg? Express your answer as a fraction.
 

 10. 

For the following, write an algebraic expression.

Six more than three times a number.
 

 11. 

Which of the following matches this description?

The sum of three and a number is twelve.

a. sa011-1.jpg
b. sa011-2.jpg

Explain your choice.
 

Problem
 

 12. 

How would you solve this problem?

(–12) – (–12)
 

 13. 

Write a paragraph or a list of instructions that explains how to build and measure the structure below.
pr013-1.jpg
 

 14. 

Faced with a decision to improve your community, region or world, what would you do?
 



 
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