OPERATIONS ON WHOLE NUMBERS

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

What is the nearest ten of 972?

Back

970

Front

What is the nearest hundred of 432?

Back

400

Front

What is the nearest ten of 432?

Back

430

Front

What is the sum of 48,346 and 56,729?

Back

105,075

Front

Which of the following is NOT a whole number: -12/3, 6.0, 12/4, 9?

Back

-12/3

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

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, round up. If it is less than 5, round down.

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens place. If it is 5 or more, round up. If it is less than 5, round down.

Front

What is the result of 432 + 100?

Back

532