Comparing and Rounding Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

What does rounding a decimal mean?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler or easier to work with, often to a specified place value.

Front

How do you round 56.469 to the tenths place?

Back

Look at the hundredths place (6). Since it is 5 or greater, round up the tenths place (4) to 5. The answer is 56.5.

Front

What is the tenths place in a decimal?

Back

The tenths place is the first digit to the right of the decimal point.

Front

How do you compare two decimals?

Back

To compare two decimals, align them by the decimal point and compare digit by digit from left to right.

Front

What symbol is used to show that one decimal is greater than another?

Back

The symbol '>' is used to show that one decimal is greater than another.

Front

What is the difference between 8.97 and 2.82?

Back

The difference is 6.15, calculated by subtracting 2.82 from 8.97.

Front

Why is it important to line up decimal points when adding or subtracting decimals?

Back

Lining up decimal points ensures that each digit is in the correct place value, which leads to accurate calculations.

Front

What is the sum of 75.5 and 80.75?

Back

The sum is 156.25.

Front

What does it mean if a decimal is more than 150?

Back

It means that the value of the decimal is greater than 150.