Third Grade: Module 1
Multiplication and division foundations: equal groups, arrays, and the area model, aligned to TEKS 3.4 and 3.5.
1
Lesson 1
Equal Groups as Multiplication
2Lesson 2
Multiplication with Arrays
3Lesson 3
The Meaning of Factors
4Lesson 4
Unknowns as Group Size
5Lesson 5
Unknowns as Number of Groups
6Lesson 6
Division Unknowns in Arrays
7Lesson 7
Commutativity in Arrays
8Lesson 8
Related Facts in Array Models
9Lesson 9
The Distributive Property with Arrays
10Lesson 10
Area Models and Number Line Jumps
11Lesson 11
Division as an Unknown Factor
12Lesson 12
Interpreting Quotients with Twos
13Lesson 13
Interpreting Quotients with Threes
14Lesson 14
Multiplying by 4 with Skip Counting
15Lesson 15
Related Facts with the Distributive Property
16Lesson 16
Relating Multiplication and Division
17Lesson 17
Decomposing Units to Multiply
18Lesson 18
Two-Step Multiplication and Division
19Lesson 19
Two-Step Problems, All Operations