Week 1
Lesson 1
Repeated Addition as Multiplication
Understanding multiplication through repeated addition and visual models.
 Week 2
Lesson 2
Area Model Multiplication 
Relate multiplication to the array model.
 Week 3
Lesson 3
 Multiplication and the Meaning of Factors 
 Introduction to multiplication by understanding factors as the numbers being multiplied.
 Week 4
Lesson 4
Division as an Unknown Factor Problem
Understand the meaning of the unknown as the size of the group in division.
 Week 5
Lesson 5
Division using pictures
Understand the meaning of the unknown as the number of groups in division.
 Week 6
Lesson 6
Array Models for Division 
Interpret the unknown in division using the array model.
 Week 7
Lesson 7
Commutative Property of Multiplication times 2
Demonstrate the commutativity of multiplication and practice related facts by skip-counting objects in array models.
 Week 8
Lesson 8
Commutative Property of Multiplication times 3
Demonstrate the commutativity of multiplication and practice related facts by skip-counting objects in array models.
 Week 9
Lesson 9
Friendly Facts using 3s
Find related multiplication facts by adding and subtracting equal groups in array models.
 Week 10
Lesson 10
Distributive Property of Multiplication 
Model the distributive property with arrays to decompose units as a strategy to multiply
 Week 11
Lesson 11
Using arrays to divide units of 2
Model division as the unknown factor in multiplication using arrays and tape diagrams.
 Week 12
Lesson 12
Using Tape Diagrams for Units of 2
Interpret the quotient as the number of groups or the number of objects in each group using units of 2.
 Week 13
Lesson 13
Use groups and Tape Diagrams fro Units of 3
Interpret the quotient as the number of groups or the number of objects in each group using units of 3.
 Week 14
Lesson 14
Skip Counting to Multiply units of 4
Skip-count objects in models to build fluency with multiplication facts using units of 4.
 Week 15
Lesson 15
Arrays and Communtative property for multiplying by 4
Relate arrays to tape diagrams to model the commutative property of multiplication.
 Week 16
Lesson 16
Using The Distributive Property for Friendly Facts
Use the distributive property as a strategy to find related multiplication facts.
 Week 17
Lesson 17
Dividing by 4: Relationship between multiplication and Division
Model the relationship between multiplication and division.
 Week 18
Lesson 18
Break-up Number Bonds For Multiplication 
Apply the distributive property to decompose units.
 Week 19
Lesson 19
Break-up Arrays for Division
Apply the distributive property to decompose units.
 Week 20
Lesson 20
Two-step word problems multiplication and Division
Solve two-step word problems involving multiplication and division and assess the reasonableness of answers.
 Week 21
Lesson 21
Solve two-step word problems Part 2
Solve two-step word problems involving all four operations and assess the reason
 Week 22
Lesson 22
Multiply and Divide By 6
Count by units of 6 to multiply and divide using number bonds to decompose.
 Week 23
Lesson 23
Multiply and Divide By 7
Count by units of 7 to multiply and divide using number bonds to decompose.
 Week 24
Lesson 24
Using 5 to multiply and divide 6 and 7
Use the distributive property as a strategy to multiply and divide using units of 6 and 7.
 Week 25
Lesson 25
Strategies for Multiplying by 8 
Model the associative property as a strategy to multiply.
 Week 26
Lesson 26
Strategies for dividing by 8 
Use the distributive property as a strategy to multiply and divide.
 Week 27
Lesson 27
Solving and Modeling Division problems
Interpret the unknown in multiplication and division to model and solve problems.
 Week 28
Lesson 28
Distributive Property for 9 facts
Apply the distributive property and the fact 9 = 10 - 1 as a strategy to multiply.
 Week 29
Lesson 29
Patterns to Divide by 9s
Identify and use arithmetic patterns to multiply.
 Week 30
Lesson 30
Multiplying by 10 Using a place value chart
Multiply by multiples of 10 using the place value chart.