Understanding Decimals Flashcard

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

Back

Front

How do you round a number to the nearest hundredth?

Back

Look at the digit in the thousandths place. If it is 5 or greater, round up the hundredths place by 1. If it is less than 5, keep the hundredths place the same.

Front

Back

Front

How do you round a number to the nearest tenth?

Back

Look at the digit in the hundredths place. If it is 5 or greater, round up the tenths place by 1. If it is less than 5, keep the tenths place the same.

Front

Back

Front

How do you compare decimal numbers?

Back

Compare the whole number parts first. If they are the same, compare the decimal parts starting from the left.

Front

Back

Front

What is expanded notation?

Back

Expanded notation is a way to write a number by showing the value of each digit.

Front

Back