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Unit 1: Place Value/Addition and Subtraction
Unit 1: Place Value/Addition and Subtraction
We used the context of packing Rubik's cubes into boxes to be shipped to help us understand place value patterns and relationships
Addition Strategies we remember from 3rd grade
Subtraction strategies we know from 3rd grade
Unit 2: Multiplication & Division
Unit 2: Multiplication & Division
Exploring the difference between Factors & Multiples
Exploring the difference between Factors & Multiples
Discussing how large the number 1,000,000 is
Discussing how large the number 1,000,000 is
Using different multiplication strategies on the open array model
Using different multiplication strategies on the open array model
Different models to multiply: Open array, Number line, Ratio Table
Different models to multiply: Open array, Number line, Ratio Table
Multiplying using the Open Array & Using Helper Problems
Multiplying using the Open Array & Using Helper Problems
First teachers' lounge investigation (ideas and wonderings about the relationship between multiplication & division and modeling them)
First teachers' lounge investigation (ideas and wonderings about the relationship between multiplication & division and modeling them)
Multiplication Strategies on Different Models
Multiplication Strategies on Different Models
Open array, number line, ratio table
Partial Quotients on the Array
Partial Quotients on the Array
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