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1.21.2Name
Explore and Growp
Place ValuePlace Valuewith Wholewith Whole
NumbersNumbersLearning Target:Learning Target: Write multi-digit numbers in Write multi-digit numbers in different forms and compare the values of digits.different forms and compare the values of digits.Success Criteria:Success Criteria: • I can identify the value of a digit in a multi-digit number.• I can identify the value of a digit in a multi-digit number.• I can write multi-digit numbers in different forms.• I can write multi-digit numbers in different forms.• I can compare the values of two identical digits in a • I can compare the values of two identical digits in a
multi-digit number.multi-digit number.
Chapter 1 ⎜ Lesson 2 9
Model the number. Draw your model.Then write the value of each digit.
Compare the values of the 4s.
Repeated Reasoning Is the value of the 4 in the tens place 10 times as much as the value of the 2 in the ones place? Explain.
Think and Grow: Understand Multiplicative ComparisonThink and Grow: Place Value with Whole Numbers
10
Write the number in two other forms.
1. 1. Standard form: 78,300
Word form:
Expanded form:
2. 2. Standard form:
Word form: three hundred fifty thousand, fifty-eight
Expanded form:
3. 3. Compare the values of the 6s in the number 466,900.
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Example Write the number instandard form, word form, andexpanded form.
Standard form:
Word form:
Expanded form:
4 × 100,000 + × + × + ×
Key Idea A place value chart shows the value of each digit in a number. It also shows how the place values are grouped. Each group of three digits is called a period. In a number, periods are separated by commas.
11. 11. The white truffle is the world’s most expensive ediblefungus, which costs up to three thousand dollars per kilogram. Write this number in standard form.
6. 6. Compare the values of the 7s in the number 4,877,034.
12. 12. Your friend says that in the number 45,951, one 5 is 10 times as great as the other 5. Is your friend correct? Explain.
7. 7. Compare the values of the 3s in the number 5,338.
13. 13. Logic Newton is thinking of a 6-digit number in which all of the digits are the same. The value of the digit in the thousands place is 8,000. What is Newton’s number?
Think and Grow: Understand Multiplicative ComparisonThink and Grow: Modeling Real Life
12
Use the table above.
PlanetAverage Distance
from the Sun (miles)
Earth 92,956,050
Jupiter 483,638,564
Mars 141,637,725
Mercury 35,983,125
Saturn 886,489,415
Venus 67,238,251
Show and GrowShow and GrowSSShhhhhhhoowwwwwww aannnndddddddd GGGGrrrrrrroowwwwwwwSSSSSSSShhhhhhhhoooooooowwwwwwww aaaaaaaannnnnnnndddddddd GGGGGGGGrrrrrrrroooooooowwwwwwwwShow and GrowShow and Grow
14. 14. Compare the values of the 7s in Mars’s average distance from the Sun.
16. 16. DIG DEEPER An organization wants to donate all ofthe money raised through fundraisers and raffles to achildren’s charity. Complete the donation check.
15. 15. Compare the values of the 4s in Saturn’s average distance from the Sun.
So, the value of the 3 in the millions place is timesthe value of the 3 in the ten thousands place.
& PracticeLearning Target:Learning Target: Write multi-digit numbers in Write multi-digit numbers indifferent forms and compare the values of digits.different forms and compare the values of digits.