Whole number operations

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals, and it can be zero or any positive number.

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What is multiplication?

Back

Multiplication is the mathematical operation of repeated addition of the same number.

Front

What is division?

Back

Division is the mathematical operation of splitting a number into equal parts.

Front

How do you estimate the sum of two numbers?

Back

To estimate the sum, round each number to the nearest ten or hundred and then add.

Front

What is the formula for finding the average of a set of numbers?

Back

The average is found by adding all the numbers together and then dividing by the count of the numbers.

Front

What is a prime number?

Back

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

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two positive divisors.

Front

How do you find the total when multiplying?

Back

To find the total when multiplying, multiply the two numbers together.