Example 1: Write the number in three different forms.
8563
Solution:
The standard form: 8,563.
The word form: Eight thousand, five hundred sixty-three.
The expanded form: 8,000 + 500 + 60 + 3.
Example 2: Write the number in the standard and expanded forms:
Eighty-six thousand, seven hundred and three.
Solution:
The word form is eighty-six thousand, seven hundred three.
The standard form:
The standard form: 86,703.
The expanded form: 80,000 + 6,000 + 700 + 3.
Example 3: Write in the standard and word forms.
100,000 + 30,000 + 6,000 + 500 + 50
Solution:
The expanded form is,
100,000 + 30,000 + 6,000 + 500 + 50
The standard form: 136,550
The word form: One hundred thirty-six thousand, five hundred fifty.
Example 4: Use the number 700,000 + 5,000 + 20 + 1 to complete the check.
Solution:
The expanded form is,
700,000 + 5,000 + 20 + 1
The standard form: 705,021
The word form: Seven hundred five thousand, twenty one.
Example 5: Ava asks Liam and Mia to write “ninety-nine thousand, three hundred thirty-four” in the standard form. Who wrote the correct number? What mistake did the other make?
Solution:
The word form is ninety-nine thousand, three hundred thirty- four.
The standard form : 99,334
Therefore, Liam wrote the correct answer.
Mia has made a mistake in the tens place where instead of writing 3 she has written as 0.
