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Number and Operations in Base Ten
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Practice 1. Write one million, one hundred forty-five thousand,
two hundred thirty-seven in standard form.
2. Write 87,192 in word form and expanded form.
Homework Helper
Write 1,000,000 + 300,000 + 60,000 + 300 + 10 + 5 in standard form. Then read the number aloud.
standard form: 1,360,315
Remember: Commas separate the periods. Say the name of the period at each comma.
hundreds onestenshundredshundreds onesones tenstens
Thousands PeriodMillions Period Ones Period
3 6 01 3 1 5
Say: one million, three hundred sixty thousand, three hundred fifteen
Write 756,491 in expanded form and word form.expanded form: 700,000 + 50,000 + 6,000 + 400 + 90 + 1
word form: seven hundred fifty-six thousand, four hundred ninety-one
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Lesson 2
Read and Write Multi-Digit Numbers
Lesson 2 My Homework�21
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7. the way of writing a number using words
8. the usual way of writing a number, using digits
9. the way of writing a number as the sum of the value of each digit
10. each group of three digits on a place-value chart
Test Practice11. Which is the correct expanded form for 45,098?
A 45,000 + 98
B 4,000 + 5,000 + 9 + 8
C 40,000 + 500 + 90 + 8
D 40,000 + 5,000 + 90 + 8
expanded form
standard form
period
word form
Read each definition. Choose the correct word(s) to fill in the spaces.
Vocabulary Check
Problem SolvingComplete the expanded form.
3. 1 Check for Reasonableness
91,765 = 90,000 + + 700 + + 5
4. 798,054 = 700,000 + + + 50 + 4
5. 5,925,020 = 5,000,000 + + 20,000 + + 20
6. 2,802,136 = + 800,000 + + 100 + 30 +
22�Need more practice? Download Extra Practice at connectED.mcgraw-hill.com
Vocab
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