Adding and Subtracting Decimals

Front

What is the standard form of six and eighty-four thousandths?

Back

6.084

Front

What is the sum of 34 and 2.5?

Back

36.5

Front

If a computer programmer has two files totaling 93 gigabytes and one file is 50.30 gigabytes, how big is the second file?

Back

42.7 Gb

Front

What is the expanded form of 96.47?

Back

Front

What is the sum of 2.98 and 5.3?

Back

8.28

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding each column, carrying over if necessary.

Front

How do you subtract decimals?

Back

Align the decimal points, subtract each column, and borrow if necessary.

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point.

Front

What is the place value of the digit 4 in 6.084?

Back

The place value of 4 in 6.084 is in the thousandths place.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value and simplify.