OSTP State Test Prep 8th grade Math

Front

What is the square root of 64?

Back

8

Front

How do you write 1001 in scientific notation?

Back

1.001 x 10^3

Front

Evaluate: (-5)^2

Back

25

Front

What is scientific notation?

Back

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

Front

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

Back

9

Front

What is the formula for calculating the mean of a set of numbers?

Back

Mean = (Sum of all values) / (Number of values)

Front

What is the value of 3^3?

Back

27

Front

What is the definition of an exponent?

Back

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

Front

What is the value of 10^0?

Back

1

Front

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

Back

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