Learning Objectives:

__Math Tutoring on Proportions__

**Proportion** is a mathematical statement that two ratios or two rates are equal. If are two equal ratios, then is a **Proportion****.**

If two fractions are equal, then the cross products are equal. If cross products are equal, then the fractions are equal.

*Procedure to solve for a missing number in a Proportion:*

1. Find the cross products and form an equation.

2. Solve the equation.

3. Check the answer.

*Unit Scale:*

**Unit Scale** is a ratio that compares the dimensions of a scaled object to the actual dimensions of an object.

*Scale Factor:*

**Scale Factor** is a ratio comparing the scaled measurement to the actual measurement. **Scale Factor** is similar to a **Unit Scale** except no units are given.

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**Hook Questions:**

*1. **What are Proportions?*

*2. **How do you find a missing number in a Proportion?*

*3. **What are Unit Scale and Scale Factor?*

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