Adding and Subtracting Decimals

Front

What is the value of the digit in the hundredths place in the number 263.709?

Back

0

Front

How do you subtract decimals, for example, 5.4 - 2.43?

Back

Align the decimal points and subtract as you would with whole numbers, resulting in 2.97.

Front

What is the sum of 21 and 4.09?

Back

25.09

Front

How do you perform the subtraction 10.05 - 8.3?

Back

Align the decimal points and subtract, resulting in 1.75.

Front

What is the result of adding 55.78 and 4.6?

Back

60.38.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

How do you identify the place value of a digit in a decimal number?

Back

Count the positions to the right of the decimal point: tenths, hundredths, thousandths, etc.

Front

What is the process for adding decimals?

Back

Align the decimal points, add as you would with whole numbers, and place the decimal point in the sum.

Front

What is the difference between a proper decimal and an improper decimal?

Back

A proper decimal has a value less than one, while an improper decimal has a value of one or greater.

Front

How do you round a decimal to the nearest whole number?

Back

Look at the digit to the right of the decimal point; if it's 5 or more, round up.