Workshop #2: Rounding and Estimation with Decimals

Front

What is the standard form of seventy-three hundredths?

Back

0.73

Front

What happens when you rub the golden apple outside of Snow White's Scary Adventures in Disneyland?

Back

The Evil Queen cackles and appears in the window above.

Front

What is 4.52 rounded to the nearest hundredth?

Back

4.52 rounds to 4.52, but the closest option is 4.523.

Front

If Mike spends $23.40 on a present and $18.95 on another, how much does he have left from $75?

Back

Mike has about $30 left.

Front

Which decimal comparison is correct: 0.234 > 0.243, 0.361 < 0.613, 0.581 > 0.851, or 0.483 < 0.438?

Back

0.361 < 0.613.

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place; if it's 5 or more, round up the tenths place by one.

Front

What is estimation in mathematics?

Back

Estimation is finding a number that is close enough to the right answer, often used for quick calculations.

Front

How do you compare two decimals?

Back

Start from the leftmost digit and compare each digit until you find a difference.

Front

What is the value of 0.5 in hundredths?

Back

0.5 is equal to 50 hundredths.