Basic Rounding

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 does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

Front

How do you determine which way to round a number?

Back

If the digit in the place value to the right is 5 or greater, round up. If it is less than 5, round down.

Front

Round 253 to the nearest ten.

Back

250

Front

Round 781 to the nearest ten.

Back

780

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means finding the closest multiple of one hundred to a given number.

Front

Round 502 to the nearest hundred.

Back

500

Front

Round 678 to the nearest hundred.

Back

700

Front

Round 578 to the nearest hundred.

Back

600

Front

What is the rule for rounding numbers?

Back

The rule is: if the next digit is 5 or more, round up; if it is less than 5, round down.