Introduction To Decimals Worksheet

4.1 Introduction to Decimals

Learning Objectives:

1. Identify place value for a decimal number.

2. Write decimals in words.

3. Write decimals in standard form.

4. Write decimals as fractions.

5. Write a fraction as a decimal.

6. Key Vocabulary: decimal notation.

1. Decimal Notation and Writing Decimals in Words

Steps for Writing (or Reading) a Decimal in Words

Write the whole number part in words.

Write “and” for the decimal point.

Write the decimal part in words as though it were a whole number following by the place value

of the last digit.

Example 1. Write each decimal number in words.

1. 3.98

2. 0.78

3. 20.0004

2. Writing Decimals in Standard Form

Example 2. Write each decimal number in standard form.

1. Eight and four tenths

2. Eleven and two hundredths

3. Forty‐seven thousandths

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