Lesson 1-9 Decimals on a Number Line

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

How do you read a decimal on a number line?

Back

To read a decimal on a number line, locate the whole number and then count the divisions to the right of the decimal point.

Front

What does the decimal point represent?

Back

The decimal point represents the boundary between whole numbers and fractions.

Front

What is the value of 0.5 on a number line?

Back

0.5 is halfway between 0 and 1 on a number line.

Front

How do you compare two decimals?

Back

To compare two decimals, look at the digits from left to right until you find a difference.

Front

What is the place value of the digit 3 in 0.43?

Back

The place value of 3 in 0.43 is 'tenths'.

Front

What is the place value of the digit 7 in 0.007?

Back

The place value of 7 in 0.007 is 'thousandths'.

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add as you would whole numbers.

Front

What is the result of 0.2 + 0.3?

Back

The result of 0.2 + 0.3 is 0.5.

Front

How do you subtract decimals?

Back

To subtract decimals, align the decimal points and subtract as you would whole numbers.