Place Value Study Guide 1

Quiz 1

Vocabulary Words:
Place Value
Digit
Expanded Form
Word Form
Standard Form

Example:

Hundred Thousands / Ten
Thousands / Thousands / Hundreds / Tens / Ones
1 / 2 / 8 / , / 4 / 7 / 3

128,473

·  Standard Form: 128,473

(Hint: You only write the digits.)

·  Expanded Form: 100,000 + 20,000 + 8,000 + 400 + 70 + 3

(Hint: When writing in expanded form, write the value of each digit and remember the plus sign +)

·  Word Form: one hundred twenty-eight thousand, four hundred seventy-three

(Hint: When writing in word form, only write the words you say when you read the number in standard form. You always put a comma after the word thousand)

Value of Digits

·  In the number 128,473, what is the value of the 8? 8,000, not just 8

·  In the number 128,473, what is the value of the 2? 20,000, not just 2

8 tens = 80 ones 80 tens = 8 hundreds 800 ones = 8 hundreds

Write each number in standard form.

1. 

______

2. 

______

3. 

______

Practice (Not required)

You should be able to read and write numbers in standard form, expanded form and word form.

Write each number in standard form.

1.  eight hundred fifty-two thousand, seventy-five ______

2.  twelve thousand, seven hundred twenty-six ______

3.  200,000 + 60,000 + 3,000 + 400 +70 +1 ______

4. 5,000 + 300+ 2 ______

Write each number in expanded form.

1. 734,905 ______

2.  18,003 ______

Write each number in word form.

1. 9,235 ______

2. 127,035 ______

3. 34,104______

You should be able to identify the place and the value of a digit.

Write the value of the underlined digit.

1. 25,357 ______

2. 534,024 ______

3. 5,001 ______

4. 789,425 ______

Identify the place of the underlined digit.

1. 36,367 ______

2. 9,420 ______

3. 458,323 ______

Tell which form each number is written.

Standard Form, Word Form, Expanded Form

1. 4,523 ______

2. 6,000 + 500 + 30 + 7 ______

3. five thousand, three hundred two ______