Rounding to the tens and hundreds

Front

What does it mean to round a number to the nearest ten?

Back

Rounding a number to the nearest ten means adjusting the number to the closest multiple of ten. If the last digit is 5 or more, round up; if it's 4 or less, round down.

Front

How do you round the number 76 to the nearest ten?

Back

To round 76 to the nearest ten, look at the last digit (6). Since 6 is greater than 5, round up to 80.

Front

What is the rule for rounding numbers?

Back

The general rule for rounding is: if the digit to the right of the rounding place is 5 or greater, round up; if it's less than 5, round down.

Front

What is 44 rounded to the nearest ten?

Back

44 rounded to the nearest ten is 40, because the last digit (4) is less than 5.

Front

What does it mean to round a number to the nearest hundred?

Back

Rounding a number to the nearest hundred means adjusting the 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 382 to the nearest hundred?

Back

To round 382 to the nearest hundred, look at the last two digits (82). Since 82 is greater than 50, round up to 400.

Front

What is 698 rounded to the nearest hundred?

Back

698 rounded to the nearest hundred is 700, because the last two digits (98) are greater than 50.

Front

What is the nearest hundred to 578?

Back

The nearest hundred to 578 is 600, because the last two digits (78) are greater than 50.

Front

Why is rounding important in mathematics?

Back

Rounding is important because it simplifies numbers, making them easier to work with, especially in estimation and when dealing with large numbers.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up means increasing the number to the next highest value, while rounding down means decreasing it to the next lowest value.