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Module 2 Lesson 20 Divide two- and three-digit dividends by two-digit divisors with single-digit quotients and make connections to a written method.

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Common Core Standards 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.

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Learning Targets I can Divide two- and three-digit dividends by two-digit divisors with single-digit quotients and make connections to a written method.

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**On your whiteboards, skip count by:**

Activate Knowledge On your whiteboards, skip count by: 21

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Activate Knowledge Correct your work 21

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Activate Knowledge Skip count again 21

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**On your whiteboards, skip count by:**

Activate Knowledge On your whiteboards, skip count by: 43

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Activate Knowledge Correct your work 43

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Activate Knowledge Skip count again 43

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**Round the divisor to the nearest 10**

Activate Knowledge Round the divisor to the nearest 10 607 ÷ 19

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**Name the multiple of 20 that’s closest to 607**

Activate Knowledge Name the multiple of 20 that’s closest to 607 607 ÷ 19 607 ÷ 20

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**Below 600 ÷ 20, write the answer**

Activate Knowledge Below 600 ÷ 20, write the answer 607 ÷ 19 607 ÷ 20 607 ÷ 19 ≈ 600 ÷ 20

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**Round the divisor to the nearest 10**

Activate Knowledge Round the divisor to the nearest 10 123 ÷ 24

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**Name the multiple of 20 that’s closest to 123**

Activate Knowledge Name the multiple of 20 that’s closest to 123 123 ÷ 24 123 ÷ 20

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**Below 120 ÷ 20, write the answer**

Activate Knowledge Below 120 ÷ 20, write the answer 123 ÷ 24 123 ÷ 20 123 ÷ 24 ≈ 120 ÷ 20

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**Round the divisor to the nearest 10**

Activate Knowledge Round the divisor to the nearest 10 891 ÷ 96

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**Name the multiple of 100 that’s closest to 891**

Activate Knowledge Name the multiple of 100 that’s closest to 891 891 ÷ 96 891 ÷ 100

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**Below 900 ÷ 100, write the answer**

Activate Knowledge Below 900 ÷ 100, write the answer 891 ÷ 96 891 ÷ 100 891 ÷ 96 ≈ 900 ÷ 100

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**Round the divisor to the nearest 10**

Activate Knowledge Round the divisor to the nearest 10 5,482 ÷ 62

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**Name the multiple of 60 that’s closest to 5,482**

Activate Knowledge Name the multiple of 60 that’s closest to 5,482 5,482 ÷ 62 5,482 ÷ 60

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**Below 5,400 ÷ 60, write the answer**

Activate Knowledge Below 5,400 ÷ 60, write the answer 5,482 ÷ 62 5,482 ÷ 60 5,482 ÷ 60 ≈ 5,400 ÷ 60

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**Solve using standard algorithm. Check answer by multiplying and Adding**

Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 73 ÷ 50

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**Solve using standard algorithm. Check answer by multiplying and Adding**

Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 70 ÷ 30

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**Solve using standard algorithm. Check answer by multiplying and Adding**

Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 157 ÷ 30

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**Solve using standard algorithm. Check answer by multiplying and Adding**

Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 432 ÷ 70

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Activate Knowledge Billy has 2.4 m of ribbon for crafts. He wants to share it evenly with 12 friends. How many centimeters of ribbon would 7 friends get?

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Learn What is the whole? 72 ÷ 21 Problem 1

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**What multiple of 20 would make division easy?**

Learn What multiple of 20 would make division easy? 72 ÷ 21 Problem 1

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Learn Solve 72 ÷ 21 Problem 1

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Learn Check 72 ÷ 21 Problem 1

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Round the divisor. Find a multiple of the divisor that makes the division easy. Estimate the quotient. Solve using the standard algorithm. Check the answer Teamwork 94 ÷ 43 Problem 2

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**Find a multiple of 20 that would make solving this problem easy**

Learn Find a multiple of 20 that would make solving this problem easy 84 ÷ 23 Problem 3

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**✔ 57 ÷ 29 Check Understanding**

Round the divisor. Find a multiple of the divisor that makes the division easy. Estimate the quotient. Solve using the standard algorithm. Check the answer 57 ÷ 29 Problem 4

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Practice Mixed Problems 7 11/8 = 8 3/8

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Review 3.65

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**✔ Learn Review Practice Activate Knowledge Check Understanding**

Learning Targets Teamwork

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