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Unit Overview      Week 1        Week 2        Week 3        Week 4        Week 5      Week 6      Week 7


Week 2:  Division
Nov. 28 - Dec. 2

Curriculum Resources:
Picture
Investigations, Unit 3, Investigation 2
Picture
Picture
Picture
Picture
Math Expressions, Unit X
THE WEEK AT-A-GLANCE
  • ​Investigation Unit 3 Session 2.1 Looking at Division
  • Investigation Unit 3 Session 2.2 Division with Remainders
  • Investigation Unit 3 Session 2.3 Division Stories
  • Investigation Unit 3 Session 2.4 Strategies for Division
  • Investigation Unit 3 Session 2.5 Related Multiplication and Division Problem
Picture
CA Common Core Standards:  Number and Operations in Base Ten

Copy and paste from CC Website:  http://www.corestandards.org/Math/
​


Engaging Lesson & Notes

Lesson 1
Source- Investigations Session 2.1
                Marilyn Burns- Lessons for Introducing Division


Lesson Title- Looking at Division and 17 Kings and 42 Elephants Investigation (from Lessons for Introducing Division)
Students solve a division problem and discussion strategies with a focus on their firs steps.  They use these strategies as they work on a set of division story problems.
17_kings_and_42_elephants.pdf
File Size: 547 kb
File Type: pdf
Download File

17_kings_and_42_elephants.pptx
File Size: 14140 kb
File Type: pptx
Download File

Math Focus Points and Teacher Notes
*Use Investigations for Number Talk and practice.  17 Kings and 42 Elephants will be the main Investigation.
*Solving division story problems
*Using and interpreting division notation


Number Talk
Investigations Unit 3 Lesson 2.1, Teacher Manual page 61
*Rows of Apples: 56 Divided by 4
You could teach this using the "Silent Multiplication" or "Silent Division" protocol.  See the file at the end of this lesson.
​
silent_multiplication.pdf
File Size: 357 kb
File Type: pdf
Download File

silent_division.pdf
File Size: 460 kb
File Type: pdf
Download File


​Practice
Investigations student practice pages: 16 and 18
Math Expressions: Student task card, Unit 3 Lesson 1
​
Formative Assessment
Exit slip: Write a division story for 15 divided by 3.


Homework
Investigations Unit 4 page 17 and 19

​Materials
Marilyn Burns- Introducing Division

Investigations Teacher Manual
Math Expressions Teacher Manual

Supplemental Lessons and Activities

Comments, Photos, Videos . . .



Engaging Lesson & Notes


Lesson 2

Source
Investigations  Session 2.2
Math Expressions

​


Lesson Title- Division with Remainders

Math Focus Points

*Using and interpreting division notation
*Solving division problems by making groups of the divisor
*Making sense of remainders in terms of the problem context

Number Talk
17 divided by 3 (Use the division symbol on the board)
​
​Practice
Investigations student pages 21-22
Math Expressions student pages page 118

​Formative Assessment
Exit Slip: 21 divided by 5

​Homework

Investigations student page 24
​Materials


Supplemental Lessons or Activities

*Remainder Riddles from Month to Month pages 424-427
Remainder Riddles Lesson
File Size: 367 kb
File Type: pdf
Download File

Remainder Riddles
File Size: 109 kb
File Type: pdf
Download File

*The Game of Leftovers from Introducing Division by Marilyn Burns
The Game of Leftovers
File Size: 182 kb
File Type: pdf
Download File

Leftovers with 100
File Size: 234 kb
File Type: pdf
Download File

*Take Me Out to the Ballgame! From Month to Month

Comments, Photos, Videos . . .


Engaging Lesson & Notes

Lesson 3
Source- Investigations Session 2.3

Lesson Title-Division Stories
 *Session 2.3 is short.  We recommend using the intro to the lesson as a Number Talk, working briefly on a few practice pages, and then spending the bulk of the math lesson on playing Leftovers with 25.

Math Focus Points
*Making sense of remainders in terms of the problem context
*Representing a division problem with pictures, diagrams, or models
*Solving division story problems

Number Talk
48 divided by 8 (Use division symbol on board)

​Formative Assessment

​Practice
Investigations student pages 25-27

​Homework

Investigations student page 28
​Materials

Supplemental Lessons and Activities

*Remainder Riddles from Month to Month


*Leftovers with 25 from Month to Month

​*

Comments, Photos, Videos . . .

Engaging Lesson & Notes

Lesson 4
Source 
Investigations Unit 3 - Session 2.4


Lesson Title: Strategies for Division 

Math Focus Points
*Using known multiplication combinations to solve problems
*Solving division problems by making groups of the divisor
*Making sense of remainders in term of the problem context



​Number Talk
63 divided 7 = x
Formative Assessment


​Practice
*Missing Factor Game
*Student activity book p.29 and 30

​Homework

Page 39
​Materials
M44, M45, T41

Supplemental Lessons and Activities

Play Leftover with 25, 50 or 100

Comments, Photos, Videos . . .

Engaging Lesson & Notes

Lesson 5
Source
Investigations Unit 3- Session 2.5
Lesson Title: Related Multiplication and Division Problem

Math Focus Points
  • Using Known multiplication combinations to solve division problem
  • Solving division story problems


Number Talk
15 x 6  
90 divided by 6


 Teaching Tip
This lesson can be combined with lesson 2.4 since the focus is the same.

​Formative Assessment
use session 2.6 assessment on page M46


​Practice

Student Activity book: Pages 33 and 34
​Materials
M46, 

Supplemental Lessons and Activities

Comments, Photos, Videos . . .

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