Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, typically represented with a 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 does it mean when one decimal is greater than another?

Back

It means that the value of the first decimal is larger than the value of the second decimal.

Front

What does it mean when one decimal is less than another?

Back

It means that the value of the first decimal is smaller than the value of the second decimal.

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the decimal points and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the result of 9.12 + 2.9?

Back

The result is 12.02.

Front

What is the result of 6.9 - 2.75?

Back

The result is 4.15.

Front

What is the significance of the place value in decimals?

Back

Place value in decimals indicates the value of each digit based on its position relative to the decimal point, affecting the overall value of the decimal.

Front

How do you round decimals?

Back

To round decimals, look at the digit to the right of the desired place value; if it's 5 or greater, round up, otherwise round down.