Rounding decimals/Estimating Products of decimals

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 round 11.9 to the nearest ten?

Back

11.9 rounds to 10 because it is closer to 10 than to 20.

Front

What is the rule for rounding up?

Back

If the digit to the right of the rounding place is 5 or greater, round up.

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is less than 5, round down.

Front

Estimate the product of 11.9 and 21 by rounding to the nearest ten.

Back

Estimate: 10 x 20 = 200.

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting a number to two decimal places.

Front

How do you round 3.847 to the nearest hundredth?

Back

3.847 rounds to 3.85.

Front

What is the nearest one to 7.29?

Back

7.29 rounds to 7.

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means adjusting a number to one decimal place.