pencil blank paper calculator textbook homework folder on your desk…
TRANSCRIPT
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PencilBlank paperCalculatorTextbook
Homework folder
ON YOUR DESK…
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1. 1,000
2. 6,000
3. 8,000
4. 4,000
5. 5,000
6. 2,000
7. 5,000
8. 8,000
9. 9,000
10. $1.00
11. $7.00
12. $3.00
13. $10.00
14. $4.00
15. $1.00
16. $3.00
17. $5.00
18. $7.00
19. $20.00
20. $50.00
ROUNDING NUMBERS TO THE THOUSANDS
PAGE 11 (1-27)
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21. $30.00
22. $10.00
23. $20.00
24. $70.00
25. 40,000
26. 30,000
27. 30,000
HOMEWORK ANSWERS CONTINUED
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Lesson 5
ROUNDING TO THE MILLIONS
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REVIEW
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Work in your group to solve this problem:The mayor of Castle Rock has asked this class to estimate the number of food and drink items that the food committee should order for a city-wide picnic.
960 people are expected to attend.Each person will need:• 1 hamburger• 20 French fries• 1 cup of fruit• 2 servings of cold drinks• 3 cookies
Estimate the number of serving of each item.
GROUP WARM-UP
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About 1,000 people will attend, so the mayor needs approximately:• 1,000 hamburgers• 20,000 French fries• 1,000 cups of fruit• 2,000 drinks• 3,000 cookies
SOLUTION
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WHAT IS THE RULE FOR ROUNDING?
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30600
5,000
25-34550-6494,500-5,499
WHAT RANGE OF NUMBERS?
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Series1
1000000
1500000
2000000
NUMBER LINE
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Turn to Lesson 5 in your textbook.
The process of rounding is the same, no matter how
large the number.What is the rounding rule?
REVIEW
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Complete page 13 Practice (1-14) on your lined paper.
Check that your paper follows Mrs. Bass’s standard.
Standard for Student Work:1. Name and date in the upper right hand
corner2. Title of the assignment3. Page number and problem numbers are
listed beneath title4. Holes are on the left side5. Work is neat and uses the lines properly
INDEPENDENT/GROUP WORK
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A range of numbers is the least number possible through the greatest number possible. The range of ages in our classroom is from 8-35.
From the rounded numbers for hamburgers, drinks, and desserts needed for the mayor’s picnic, determine the range from which each number could have come. Find the greatest and least sum of the three numbers. You may use your calculator.
Turn this into the bottom turn in shelf on Mrs. Bass’s desk on a separate sheet of paper for Extra Credit points.
EXTRA CREDIT