Adding and Subtracting Decimals 2

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point to separate the whole part from the fractional part.

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

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 the value of the digit 9 in the number 1.96?

Back

In the number 1.96, the digit 9 is in the hundredths place, which means it represents 9 hundredths or 0.09.

Front

If Robert had $27.93 and had $9.17 left, how do you find out how much he spent?

Back

Subtract the amount left from the total amount: $27.93 - $9.17 = $18.76.

Front

What is the result of 200 - 189.76?

Back

The result is 10.24.

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

If Thomas ran 0.60 miles on Monday and 1.25 miles on Tuesday, how do you find out how many more miles he ran on Tuesday?

Back

Subtract the miles run on Monday from the miles run on Tuesday: 1.25 - 0.60 = 0.65.

Front

What is the sum of 194.5 and 18.76?

Back

The sum is 213.26.

Front

What does it mean to align decimal points when adding or subtracting?

Back

Aligning decimal points means to line up the numbers so that the decimal points are in the same vertical column, ensuring accurate addition or subtraction.