Adding and Subtracting 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 the tenths place represent in a decimal?

Back

The tenths place is the first digit to the right of the decimal point, representing one-tenth of a whole.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column starting from the right.

Front

What is the value of the digit 3 in the number 23.45?

Back

The digit 3 is in the ones place, representing 3 whole units.

Front

What is the value of the digit 2 in the number 10.269?

Back

The digit 2 is in the tenths place, representing 2 tenths or 0.2.

Front

Calculate: 32.15 + 24.15

Back

56.30

Front

Calculate: 7.9 + 18.72

Back

26.62

Front

If Kelly has $20 and spends $2.15 and $6.58, how much does she have left?

Back

$11.27

Front

What is the first step in adding decimals?

Back

The first step is to align the numbers by the decimal point.