Place Value, Addition & Subtraction of Decimals

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the 3 is in the hundreds place, so it represents 300.

Front

What does the decimal point represent in a number?

Back

The decimal point separates the whole number part from the fractional part in a decimal number.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, carrying over if necessary.

Front

What does the 2 in the decimal 0.257 represent?

Back

The 2 in 0.257 represents two tenths.

Front

What is the thousandths place in a decimal?

Back

The thousandths place is the third digit to the right of the decimal point. For example, in 0.123, the 3 is in the thousandths place.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, borrowing if necessary.

Front

Order the following decimals from least to greatest: 0.47, 0.49, 0.44, 0.42.

Back

0.42, 0.44, 0.47, 0.49.

Front

What is the value of 5 in the decimal 0.257?

Back

The 5 represents five hundredths.

Front

If you have 624 boxes of cookies and want to sell them in 8 days, how many should you sell each day?

Back

You should sell 78 boxes each day.

Front

What is the value of the digit 8 in the number 9023.187?

Back

The 8 is in the tenths place, representing 0.8.