Mixed Math Review

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.

Front

Which of the following is a prime number? 15, 16, 17, 18

Back

17

Front

How do you round a number to the nearest thousand?

Back

Look at the hundreds digit. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is 27,629 rounded to the nearest thousand?

Back

28,000

Front

How do you round a number to the nearest hundred?

Back

Look at the tens digit. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is 1,454 rounded to the nearest hundred?

Back

1,500

Front

What does the division symbol (÷) represent?

Back

It represents the operation of dividing one number by another.

Front

What is 868 ÷ 19?

Back

45 R13

Front

What is the definition of division?

Back

Division is the process of finding out how many times one number is contained within another.

Front

What is a composite number?

Back

A composite number is a positive integer that has at least one positive divisor other than one or itself.