NSCAS 6th Grade Math Olympics~Competition #8

The elevation of the Californian Salton Sea is 66 meters below sea level. Which integer BEST represents this elevation?

• -6

• 6

• -66

• 66

 $32^{0\ }\ +\ 4^3\ -\ 6^2\ -\ 2^4$  

• 12

• 13

• 20

• 24

A theater has 27 rows with n seats in each row. Which expression shows how many seats are in the entire theater?

• 27 • n

• 27 ÷ n

• 27 - n

• 27 + n

Which graph represents the solution to the inequality

x < 4?

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A coat sells for $64.99. It is on sale for a 20% discount. What is the sale price?

• $13.00

• $24.00

• $51.99

• $57.99

In high school, each senior class has a triangular prism monument to show. What is the surface area of the monument?

• $690\ in^2$

• $660\ in^2$

• $630\ in^2$

• $600\ in^2$

Which graph shows point (–3, –1) graphed correctly?

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What is the area of this triangle?

• 4 units^2

• 8 units^2

• 24 units ^2

• 48 units^2

The graph shows how much money was collected at a game each hour. Which set of data was used to create this graph?

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