Module 2 Lesson 19
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Transcript of Module 2 Lesson 19
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Module 2 Lesson 19
Divide two- and three-digit dividends by multiples of 10 with single-digit quotients
and make connections to a written method.
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• 5.NBT.6 Find whole-number quotients of whole numbers
with up to four-digit dividends and two- digit divisors,
using strategies based on place value, the properties of
operations, and/or the relationship between multiplication
and division. Illustrate and explain the calculation by using
equations, rectangular arrays, and/or area models.
Common CoreStandards
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Learning Targets
•I can divide two- and three-digit dividends by multiples of 10 with single-digit quotients and make connections to a written method.
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Activate Knowledge
908 ÷ 28
Round the divisor to the nearest 10
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908 ÷ 28
Name the multiple of 30 that’s closest to 908
908 ÷ 30
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908 ÷ 28
Below 900 ÷ 30, write the answer
908 ÷ 30
908 ÷ 28 ≈ 900 ÷ 30
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152 ÷ 33
Round the divisor to the nearest 10
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152 ÷ 33
Name the multiple of 30 that’s closest to 152
152 ÷ 30
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152 ÷ 33
Below 150 ÷ 30, write the answer
152 ÷ 30
152 ÷ 33 ≈ 150 ÷ 30
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398 ÷ 98
Round the divisor to the nearest 10
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398 ÷ 98
Name the multiple of 100 that’s closest to 398
398 ÷ 100
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398 ÷ 98
Below 398 ÷ 100, write the answer
398 ÷ 100
398 ÷ 98 ≈ 400 ÷ 100
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7,272 ÷ 81
Round the divisor to the nearest 10
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7,272 ÷ 81
Name the multiple of 80 that’s closest to 7,272
7,272 ÷ 80
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7,272 ÷ 81
Below 7,200 ÷ 80, write the answer
7,272 ÷ 80
7,272 ÷ 80 ≈ 7,200 ÷ 80
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Count by nine.
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Count by nine tens.
When I raise my hand stop counting.
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Count by fours.
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Count by four tens.
When I raise my hand stop counting.
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Count by fives.
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Count by five tens.
When I raise my hand stop counting.
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On your whiteboards, skip count by:
21
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Correct your work
21
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Skip count again
21
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On your whiteboards, skip count by:
43
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Correct your work
43
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Activate Knowledge
Skip count again
43
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At the Highland Falls pumpkin growing contest, the prize winning pumpkin contains 360 seeds. The
proud farmer plans to sell his seeds in packs of 12. How many packs can he make using all the seeds?
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Learn
Problem 1
70 ÷ 30
What is the divisor?
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Learn
Problem 1
What multiple of 30 would makedivision easy?
70 ÷ 30
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Learn
Problem 1
Show how to estimate the quotient
70 ÷ 30
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Learn
Problem 1
Solve
70 ÷ 30
30 7 0
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Learn
Problem 1
Check the answer
70 ÷ 30
30 7 0
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Learn
Problem 2
430 ÷ 60
What is the divisor?
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Learn
Problem 2
What multiple of 60 would makedivision easy?
430 ÷ 60
![Page 36: Module 2 Lesson 19](https://reader036.fdocuments.in/reader036/viewer/2022062321/568139c4550346895da16be4/html5/thumbnails/36.jpg)
Learn
Problem 2
Show how to estimate the quotient
430 ÷ 60
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Learn
Problem 2
Solve
430 ÷ 60
60 4 30
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Learn
Problem 2
Check the answer
430 ÷ 60
60 4 30
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Learn
Problem 2
572 ÷ 90
What is the divisor?
![Page 40: Module 2 Lesson 19](https://reader036.fdocuments.in/reader036/viewer/2022062321/568139c4550346895da16be4/html5/thumbnails/40.jpg)
Learn
Problem 2
What multiple of 90 would makedivision easy?
572 ÷ 90
![Page 41: Module 2 Lesson 19](https://reader036.fdocuments.in/reader036/viewer/2022062321/568139c4550346895da16be4/html5/thumbnails/41.jpg)
Learn
Problem 2
Show how to estimate the quotient
572 ÷ 90
![Page 42: Module 2 Lesson 19](https://reader036.fdocuments.in/reader036/viewer/2022062321/568139c4550346895da16be4/html5/thumbnails/42.jpg)
Learn
Problem 2
Solve
572 ÷ 90
90 572
![Page 43: Module 2 Lesson 19](https://reader036.fdocuments.in/reader036/viewer/2022062321/568139c4550346895da16be4/html5/thumbnails/43.jpg)
Learn
Problem 2
Check the answer
572 ÷ 90
90 572
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Practice
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Review