Grade 9 Math Quiz

What is the absolute value of -7?

• -7

• 0

• 7

• 14

Which of the following is a rational number?

• √2

• π

• 0.75

• √5

What is the square root of 64?

• 6

• 8

• 10

• 12

Which of the following is an irrational number?

• 0.5

• 1/2

• √3

• 0.75

What is the value of 5³?

• 15

• 25

• 125

• 225

What is 0.000045 in scientific notation?

• 4.5 × 10⁻⁵

• 4.5 × 10⁻⁴

• 4.5 × 10⁵

• 4.5 × 10⁴

What is the sum of 3/4 and 2/3?

• 5/7

• 17/12

• 5/12

• 6/7

What is the product of 2/3 and 3/4?

• 1/2

• 2/3

• 3/4

• 5/6

What is 25% of 80?

• 10

• 20

• 30

• 40

What is the unit rate if 5 apples cost $10?

• $1 per apple

• $2 per apple

• $5 per apple

• $10 per apple