| Lesson Number |
Title |
Length in minutes |
| 4.1 |
Three as a Factor
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4:40 |
| 4.2 |
Divide Using Area Models
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4:23 |
| 4.3 |
Fact Families
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5:13 |
| 4.4 |
Division on a Number Line
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3:29 |
| 4.5 |
Multiplication & Division Task
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3:14 |
| 4.6 |
Four as a Factor
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4:14 |
| 4.7 |
Combining Area Models
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4:37 |
| 4.8 |
Equations to Represent Area Models
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2:41 |
| 4.9 |
Distributive Property
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3:29 |
| 4.10 |
Exploring the Distributive Property
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2:13 |
| 4.11 |
Six as a Factor
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2:54 |
| 4.12 |
Compatibility With the Distributive Property
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2:54 |
| 4.13 |
What is Equivalence?
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3:59 |
| 4.14 |
Letters & Symbols
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4:47 |
| 4.15 |
Variables Task
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4:50 |
| 4.16 |
Nine as a Factor
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6:23 |
| 4.17 |
Add and Subtract With Bar Models
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4:12 |
| 4.18 |
Multiplication and Division With Bar Models
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3:59 |
| 4.19 |
Two-step Problems With Bar Models
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6:06 |
| 4.20 |
Bar Model Task
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4:12 |
| 4.21 |
Eight as a Factor
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4:09 |
| 4.22 |
Estimation: Compatible Numbers
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3:02 |
| 4.23 |
Rounding and Front-End Estimation
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5:45 |
| 4.24 |
What is Reasonable?
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2:37 |
| 4.25 |
Two-Step Word Problems (Day 1)
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5:14 |
| 4.26 |
Seven as a Factor
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5:05 |
| 4.27 |
Two-Step Word Problems (Day 2)
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6:12 |
| 4.28 |
Two-Step Word Problems (Day 3)
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5:38 |
| 4.29 |
Two-Step Word Problems (Day 4)
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4:05 |