## Chapter 6

### Add & Subtract Fractions with Unlike Denominators

## Videos - Math on the Spot

**NOTE: The following videos will only work if you are logged in to the Go Math! site. Instructions to log in to the Go Math! site can be found on the Math page toward the bottom.**

**Lesson 1 - **Addition with Unlike Denominators

**Essential Idea:** How can you use models to add fractions that have different denominators?

**Watch the Video Here: **Math on the Spot- Lesson 6.1

**Lesson 2 - **Subtraction** **with Unlike Denominators

**Essential Idea: **How can you use models to subtract fractions that have different denominators?

**Watch the Video Here: **Math on the Spot- Lesson 6.2

**Lesson 3 - **Estimate Fraction Sums & Differences

**Essential Idea:** How can you make reasonable estimates of fractions sums and differences?

**Watch the Video Here: **Math on the Spot- Lesson 6.3

**Lesson 4 - **Common Denominators & Equivalent Fractions

**Essential Idea:** How can you rewrite a pair of fractions so that they have a common denominator?

**Watch the Video Here: **Math on the Spot- Lesson 6.4

**Lesson 5 - **Add & Subtract Fractions

**Essential Idea:** How can you use a common denominator to add and subtract fractions with unlike denominators?

**Watch the Video Here: **Math on the Spot- Lesson 6.5

**Lesson 6 - **Add & Subtract Mixed Numbers

**Essential Idea:** How can you add and subtract mixed numbers with unlike denominators?

**Watch the Video Here: **Math on the Spot- Lesson 6.6

**Lesson 7 - **Subtraction with Renaming

**Essential Idea:** How can you use renaming to find the difference of two mixed numbers?

**Watch the Video Here: **Math on the Spot- Lesson 6.7

**Lesson 8 - **Patterns with Fractions

**Essential Idea: **How can you use addition or subtraction to describe a pattern or create a sequence with fractions?

**Watch the Video Here: **Math on the Spot- Lesson 6.8

**Lesson 9 - **Practice Addition & Subtraction

**Essential Idea: **How can the strategy *work backward* help you solve a problem with fractions that involves addition and subtraction?

**Watch the Video Here: **Math on the Spot- Lesson 6.9

**Lesson 10 - **Use Properties of Addition

**Essential Idea: **How can properties help you add fractions with unlike denominators?

**Watch the Video Here: **Math on the Spot- Lesson 6.10