OSTP State Test Prep 8th grade Math

What is the difference between a prime number and a composite number?

• A prime number has exactly two distinct positive divisors: 1 and itself. A composite number has more than two positive divisors.

• A prime number has only one positive divisor, while a composite number has two.

• A prime number can be negative, while a composite number is always positive.

• A prime number is always even, while a composite number is always odd.

Tags

CCSS.4.OA.B.4

What is the value of 3^3?

• 26

• 27

• 28

• 30

Tags

CCSS.6.EE.A.1

What is the square root of 64?

• 6

• 7

• 8

• 9

Tags

CCSS.8.EE.A.2

What is the formula for the area of a rectangle?

• Area = length × width

• Area = length + width

• Area = length - width

• Area = length ÷ width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you write 1001 in scientific notation?

• 1.001 x 10^2

• 1.001 x 10^3

• 10.01 x 10^2

• 0.1001 x 10^4

What is the mean of the following numbers: 9, 8, 12, 6, 10?

• 8

• 9

• 10

• 11

Tags

CCSS.6.SP.B.5C

What is the value of the expression 2 + 3 × 4?

• 14

• 20

• 12

• 18

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the value of 10^0?

• 0

• 1

• 10

• 10^2

Tags

CCSS.8.EE.A.1

What is the definition of an exponent?

• An exponent indicates how many times a number (the base) is multiplied by itself.

• An exponent is a mathematical operation that adds two numbers together.

• An exponent is a symbol used to denote a fraction in mathematics.

• An exponent represents the square root of a number.

Tags

CCSS.6.EE.A.1

What is scientific notation?

• A method to express numbers in a base-10 format.

• A short way to write numbers containing many, many digits.

• A technique for measuring scientific experiments.

• A way to represent numbers using only whole numbers.

Tags

CCSS.8.EE.A.3