Rounding to Tens and Hundreds

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler and easier to work with, typically by increasing or decreasing it to the nearest specified place value.

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten. If the last digit is 5 or more, round up; if it's less than 5, round down.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means adjusting a number to the closest multiple of one hundred. If the last two digits are 50 or more, round up; if they are less than 50, round down.

Front

How do you round the number 142 to the nearest hundred?

Back

142 rounded to the nearest hundred is 100.

Front

How do you round the number 328 to the nearest hundred?

Back

328 rounded to the nearest hundred is 300.

Front

What is the result of rounding 591 to the nearest ten?

Back

591 rounded to the nearest ten is 590.

Front

If a number rounds to 80 when rounded to the nearest ten, what is the smallest possible original number?

Back

The smallest number that rounds to 80 is 75.

Front

Can the number 591 round to both the nearest ten and the nearest hundred to give the same result?

Back

No, 591 rounds to 590 when rounded to the nearest ten and to 600 when rounded to the nearest hundred.

Front

What is the rounded value of 67 to the nearest ten?

Back

67 rounded to the nearest ten is 70.

Front

What is the rule for rounding numbers ending in 5?

Back

When rounding numbers ending in 5, you typically round up to the next whole number.