Free Printable District Level Math Olympiad G7-G10 (QUIZIZZ)

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District Level Math Olympiad G7-G10 (QUIZIZZ)

Total questions: 20

Worksheet time: 20mins

Name

Class

Date

Combine the rational expressions $\frac{3x^2-2x-7}{x^2-9}$ and $\frac{-2x^2+3x+1}{x^2-9}$

$\frac{x-2}{x-3}$

$\frac{x-2}{x+3}$

$\frac{x+2}{x+3}$

$\frac{x+2}{x-3}$

A recipe needs 2 $\frac{1}{2}$ cups of flour for every $\frac{3}{4}$ cups of sugar. If 4 cups of flour are used. How much sugar is needed?

1 $\frac{1}{2}$ cups of sugar

1 $\frac{1}{3}$ cups of sugar

1 $\frac{1}{4}$ cups of sugar

1 $\frac{1}{5}$ cups of sugar

A ball is thrown from the top of a 144-foot building. The ball follows a trajectory. The height H reached by the ball after t seconds is given by the quadratic function H(t)= 64t -16t². How long did it take for the ball to hit the ground?

It took approximately 4.61 second before the ball reached the ground

It took approximately 5.61 second before the ball reached the ground

It took approximately 6.61 second before the ball reached the ground

It took approximately 7.61 second before the ball reached the ground

Two numbers differ by 9. The sum of their squares is 653. What are the numbers?

x₁ = 22, x₂ = -13

x₁ = -22, x₂ = -13

x₁ = -23, x₂ = 12

x₁ = 23, x₂ = -12

Which of the following is the quotient of the given polynomial 2x³ - 7x² - 5x + 4 divided by x + 4?

2x² + x - 1

2x² - x - 1

2x² + x + 1

2x² - x + 1

How many different ways can 7 students be seated for a selfie if only 4 seats are available?

820

830

840

850

Two bikers started at the same corner, one going east, the other going north. One biker was traveling at 3 kph faster than the other. After one hour, the two bikers were 15 km apart. Find the rate of each bikers.

Slower biker is 9 kph and the faster biker is 12 kph

Slower biker is 8 kph and the faster biker is 12 kph

Slower biker is 10 kph and the faster biker is 12 kph

Slower biker is 11 kph and the faster biker is 12 kph

How many ways can 5 boys and 5 girls be seated at a round table if no restriction are imposed.

362,880

362, 800

326, 880

326, 800

Find the area of a sector with a central angle of 60° and a radius of 9 cm.

10.5 $\pi$ cm²

11.5 $\pi$ cm²

12.5 $\pi$ cm²

13.5 $\pi$ cm²

10.

An object falling from the rest travels 16 feet during the 1^st second, 48 feet during the 2^nd second, 80 feet during the 3^rd second, and so on. How far does the object fall after 7 seconds?

782 ft.

783 ft.

784 ft.

785 ft.

11.

Which symbol is used to indicate the intersection of two sets?

$\phi$

$\cap$

$\cup$

$\subset$

12.

Which list shows the numbers in decreasing order?

$\sqrt{49}$ , 5.20, 1/4, -0.66..., -7

-7, -0.66..., 1/4, 5.20, $\sqrt{49}$

-0.66..., 1/4, -7, 5.20, $\sqrt{49}$

$\sqrt{49}$ , -0.66, -7, 1/4, 5.2

13.

What is the verbal translation of x + 7 = 18?

X plus seven equal eighteen.

A number is added to seven the product is eighteen.

The sum of a number and seven is eighteen.

Adding x and seven is equal to eighteen.

14.

What must be added to both sides of the equation x - 25 = 8 to isolate the variable?

-25

-8

15.

When x = -2, which expression has the value -64?

3x²

(3x)²

2x³

(2x)³

16.

When parallel lines are cut by a transversal, corresponding angles are _____________________.

Congruent

Complementary

Supplementary

Unequal

17.

What is the sum of supplementary angles?

45⁰

90⁰

180⁰

270⁰

18.

If the range of a set of grades is 13 and the highest grade is 85, what is the lowest score?

19.

The bowling team's scores at last week's competition were 140, 155, 135, 143, and considered as outlier?

135

143

155

180

20.

A building contractor examined 7 windows in a home and found that they had the following widths: 9.8 inches, 9.9 inches, 8.6 inches, 9.9 inches, 9.9 inches, 9.9 inches, and 9.5 inches. What is the median?

8.6

9.64

9.8

9.9

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District Level Math Olympiad G7-G10 (QUIZIZZ)

Total questions: 20

Worksheet time: 20mins

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