NSCAS 6th Grade Math Olympics~Competition #2

What is the value of 7.4 + 8 ⋅ 2.5?

• 12.9

• 27.4

• 17.9

• 38.5

The football field measures 50 yards by 110 yards. What's the perimeter of the field?

• 160 yards

• 320 yards

• 210 yards

• 5,500 yards

The temperature was -7º F yesterday & 38° F today. What is the temperature difference ?

• $38\degree F$
  

• $7\degree F$

• $45\degree F$

• $24\degree F$

What is the value of 16 + 5 x 6 - 4 ÷ 2?

• 21

• 44

• 27

• 61

To the nearest ten, what is the best way to estimate 751 • 13?

• 700 10 = 7,000

• 760 • 10 = 7,600

• 750 • 10 = 7,500

• 800 • 10 = 8,000

In 50 trials, 22 reds & 28 blues are drawn from a bag. What's the probability of pulling a red?

• 11/25

• 14/11

• 11/14

• 25/11

What is the ordered pair of Point A?

• (1, 2)

• (2, 1)

• (-1, 2)

• (-2, -1)

What is the prime factorization of 64?

• 1 x 2 x 2 x 2 x 2 x 4

• 2 x 2 x 4 x 4

• 2 x 2 x 2 x 2 x 2 x 2

• 2 x 4 x 8

Which property of multiplication is shown? 6(4⋅2)=(6⋅4)2

• Zero

• Communative

• Identity

• Associative

The area of a triangle is 30m² & the base of the triangle is 6m. What is the triangle's height?

• 5 meters

• 90 meters

• 10 meters

• 180 meters