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ALEX Classroom Resources  
   View Standards     Standard(s): [MA2015] (5) 5 :
5 ) Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. [5-NBT2]

[MA2019] (5) 3 :
3. Using models and quantitative reasoning, explain that in a multi-digit number, including decimals, a digit in any place represents ten times what it represents in the place to its right and 1/10 of what it represents in the place to its left.

a. Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, using whole-number exponents to denote powers of 10.

b. Explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10, using whole-number exponents to denote powers of 10.
[MA2019] (5) 7 :
7. Use strategies based on place value, properties of operations, and/or the relationship between multiplication and division to find whole-number quotients and remainders with up to four-digit dividends and two-digit divisors. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Subject: Mathematics (5), Mathematics (5)
Title: Grade 5 Mathematics Module 2, Topic E: Mental Strategies for Multi-Digit Whole Number Division
URL: https://www.engageny.org/resource/grade-5-mathematics-module-2-topic-e-overview
Description:

Module 2, Topics E through H provide a parallel sequence for division to that offered in Topics A to D for multiplication. Topic E begins concretely with place value disks as an introduction to division with multi-digit whole numbers (5.NBT.6). In Lesson 17, 420 ÷ 60 is interpreted as 420 ÷ 10 ÷ 6. Next, students round dividends and 2-digit divisors to nearby multiples of ten in order to estimate single-digit quotients (e.g., 431 ÷ 58  420 ÷ 60 = 7) and then multi-digit quotients. This work is done horizontally, outside the context of the written vertical method.



   View Standards     Standard(s): [MA2019] (5) 7 :
7. Use strategies based on place value, properties of operations, and/or the relationship between multiplication and division to find whole-number quotients and remainders with up to four-digit dividends and two-digit divisors. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Subject: Mathematics (5)
Title: Grade 5 Mathematics Module 2, Topic F: Partial Quotients and Multi-Digit Whole Number Division
URL: https://www.engageny.org/resource/grade-5-mathematics-module-2-topic-f-overview
Description:

The series of lessons in Module 2, Topic F lead students to divide multi-digit dividends by two-digit divisors using the written vertical method. Each lesson moves to a new level of difficulty with a sequence beginning with divisors that are multiples of 10 to non-multiples of 10. Two instructional days are devoted to single-digit quotients with and without remainders before progressing to two- and three-digit quotients (5.NBT.6).



   View Standards     Standard(s): [MA2019] (5) 7 :
7. Use strategies based on place value, properties of operations, and/or the relationship between multiplication and division to find whole-number quotients and remainders with up to four-digit dividends and two-digit divisors. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
[MA2019] (5) 8 :
8. Add, subtract, multiply, and divide decimals to hundredths using strategies based on place value, properties of operations, and/or the relationships between addition/subtraction and multiplication/division; relate the strategy to a written method, and explain the reasoning used.

a. Use concrete models and drawings to solve problems with decimals to hundredths.

b. Solve problems in a real-world context with decimals to hundredths.
Subject: Mathematics (5)
Title: Grade 5 Mathematics Module 2, Topic H: Measurement Word Problems With Multi-Digit Division
URL: https://www.engageny.org/resource/grade-5-mathematics-module-2-topic-h-overview
Description:

In Module 2, Topic H, students apply the work of the module to solve multi-step word problems using multi-digit division (5.NBT.6). Cases include unknowns representing either the group size or the number of groups. In this topic, an emphasis on checking the reasonableness of their solutions draws on skills learned throughout the module, which includes using knowledge of place value, rounding, and estimation. Students relate calculations to reasoning about division through a variety of strategies including place value, properties of operations, equations, and area models.



   View Standards     Standard(s): [MA2019] (5) 7 :
7. Use strategies based on place value, properties of operations, and/or the relationship between multiplication and division to find whole-number quotients and remainders with up to four-digit dividends and two-digit divisors. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Subject: Mathematics (5)
Title: Double-Digit Division StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/multiplication-division/double-digit-division.htm
Description:

In this interactive activity, students will be led through steps to divide a three- to four-digit number by a two-digit number. There are teaching activities as well as practice activities available. A handout that describes strategies taught during the interactive is available to be printed. There is a karaoke song with printable lyrics to watch that will help students remember the steps they learn during the activity. After utilizing this resource, the students can complete the short quiz to assess their understanding.



ALEX Classroom Resources: 4

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