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, carrying over if necessary.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column, borrowing if necessary.

Front

What is the value of the digit 6 in the number 10.269?

Back

The digit 6 is in the tenths place, representing 6 tenths or 0.6.

Front

Calculate: 7.9 - 3.47

Back

4.43

Front

Calculate: 123.6 - 0.08

Back

123.52

Front

Calculate: 55.78 + 4.6

Back

60.38

Front

Calculate: 7.05 - 4.6

Back

2.45

Front

What is the importance of lining up decimal points when adding or subtracting?

Back

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