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 6 in 327.46 represent?

Back

The 6 in 327.46 represents 6 hundredths.

Front

What does the 5 in the decimal .257 represent?

Back

The 5 in the decimal .257 represents five hundredths.

Front

How do you add decimals?

Back

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

Front

What is the result of 35.382 + 13.358?

Back

The result is 48.74.

Front

What is the combined mass of two hedgehogs weighing 4.6 kg and 5.24 kg?

Back

The combined mass is 9.84 kilograms.

Front

How do you subtract decimals?

Back

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

Front

What is 4.01 - 2.95?

Back

The result is 1.06.

Front

What is the value of the digit in the tenths place in the number 5.78?

Back

The value of the digit in the tenths place (7) is 7 tenths.

Front

What is the value of the digit in the hundredths place in the number 0.456?

Back

The value of the digit in the hundredths place (5) is 5 hundredths.