NSCAS 6th Grade Math Olympics~Competition #10

A car wash had to close 26 of the 365 days last year for bad weather. What is the ratio of days closed to days open?

• 26 to 339

• 26 to 365

• 365 to 26

• 339 to 26

Ellis saved $12.75, $13.15, & $13.85 to buy flowers. To the nearest dollar, what total amount of $ did save?

• $41.00

• $40.00

• $39.00

• $38.00

Which expression is equivalent to the following: 3(4g + 11)

• 12g + 33

• 12g + 11

• 7g + 33

• 7g + 14

Bri has 3 medals from each competition she entered. She has a total of 24 medals. How many competitions did Bri enter?

• 72

• 27

• 21

• 8

Wally counted 200 pennies from his piggy bank. He kept 80% of them. How many pennies did Wally keep?

• 160

• 120

• 80

• 40

If the cone shown below is cut and laid flat, which figure would it most closely resemble?

• 
• 
• 
• 

Two sides of parallelogram JKLM are shown in the graph below. What should be the coordinates of point M?

• (-1, -2)

• (-1, -1)

• (-1, 0)

• (-1, 1)

A cube uses 6 pieces of cardboard with identical side measurements, as seen below. What's the surface area of the cube?

• 49 in^2

• 98 in^2

• 245 in^2

• 294 in^2

What is the mean of this set of data? 33, 42, 51, 64, 75

• 33

• 42

• 51

• 53