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3rd Grade
​Week 2:  Addition Strategies

Cover Page            Weeks 1          Week 2          Week 3    
Picture
Investigations -  
​
Unit 8:
​​
Picture
Math Expressions -
​Unit 4, Lessons 1,4

Picture
CA Common Core Standards:  Number and Operations in Base 10
Addition and Subtraction: understand concepts addition and subtraction up to 1000.
For more detail, go to the COVER PAGE for this unit.
​
 WEEK 2 AT-A-GLANCE: Investigations, Unit 8, Investigation 2
​

Day 1:  Making an Easier Problem (Investigations, U8, S2.1)
Extra Practice:  ME, Student Activity Book, p. 229

Day 2:  Addition Starter Problems (Investigations, U8, S2.2)
Extra Practice: ME, Student Activity Book, p. 231 & 232
Day 3: Categorizing Addition Strategies 
(Investigations, U8, I2, S2.3)
Extra Practice:  ME, Student Activity Book, p. 240

Day 4:  Adding More than Two Numbers (Investigations, U8, I2, S2.4)
Extra Practice:  ME, Student Activity Book, p. 241

Day 5:  Addition Strategies (Investigations, U8, I2, S2.5)
Extra Practice: ME, Student Activity Book, p. 245


Day 1
 Making an Easier Problem (Investigations, Unit 8 Studentbook 2.1 pg. 21)
Extra Practice:  ME, Student Activity Book, p. 229, 230, 
​

Lesson Summary
Students continue to practice how to solve problems relating to subtractions.  


Math Focus Points
Students will continue to use what they have learned about how to solve a problem, and how it helps to solve a problem related to adding and subtracting. 


Materials
Student handbook pgs:21,22,23,24,25,26



Day 2

​Day 2:  Addition Starter Problems (Investigations, Unit 8 S2.2) pgs. 22, 23, 24,25,26
Extra Practice: ME Unit 4 Lesson 4, Student Activity Book, p. 231 & 232 

Summary: Students will continue to practice how to solve problems relating to subtraction.  
In addition, students will continue to identify fractions which add up to one.  

Day 3

​ Categorizing Addition Strategies (Investigations, U8, I2, S2.3)
Extra Practice:  ME, Student Activity Book, p. 240

Solving addition problems. 
Summary: Students will resolve a variety of possibilities "first steps," before solving the final addition problem. 
Student handbook Unit 8 pgs: 27, 28, 29, 

Day 4

Adding More than Two Numbers (Investigations, U8, I2, S2.4)
Extra Practice:  ME, Student Activity Book, p. 241

Summary students will find ways to divide groups of equivalent things.  Also, students will develop their addition problems to calculate and resolve addition problems in more than one way.  
Students Investigations handbook pgs:30, 31,32,33, 34, 35, 36

Day 5

​Addition Strategies (Investigations, U8, I2, S2.5)
Extra Practice: ME, Student Activity Book, p. 245

Summary: Students will use what they have learned about solving  problems to help them solve a problem which has a relationship between adding and subtracting.  
Students Investigations handbook pgs: 37, 
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