Rounding

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

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

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

How do you determine which way to round a number?

Back

If the digit to the right of the place value you are rounding to is 5 or greater, round up. If it is less than 5, round down.

Front

Round 421 to the nearest hundred.

Back

400

Front

Round 278 to the nearest hundred.

Back

300

Front

Round 67 to the nearest ten.

Back

70

Front

What are benchmark numbers when rounding?

Back

Benchmark numbers are the two closest multiples of ten or hundred that a number falls between.

Front

When rounding 625 to the nearest hundred, what are the benchmark numbers?

Back

600 and 700

Front

Round 28 to the nearest ten.

Back

30