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**TEKS:**

**TEKS:**

**Grade Six**:

(3) Patterns, relationships, and algebraic thinking. The student solves problems involving direct proportional relationships. The student is expected to:

(A) use ratios to describe proportional situations;

(B) represent ratios and percents with concrete models, fractions, and decimals; and

(C) use ratios to make predictions in proportional situations.

**Grade Seven**:

(3) Patterns, relationships, and algebraic thinking. The student solves problems involving direct proportional relationships. The student is expected to:

(B) estimate and find solutions to application problems involving proportional relationships such as similarity, scaling, unit costs, and related measurement units.

(9) Measurement. The student solves application problems involving estimation and measurement. The student is expected to:

(A) estimate measurements and solve application problems involving length (including perimeter and circumference) and area of polygons and other shapes;

**Grade Eight:**

(3) Patterns, relationships, and algebraic thinking. The student identifies proportional or non-proportional linear relationships in problem situations and solves problems. The student is expected to:

(B) estimate and find solutions to application problems involving percents and other proportional relationships such as similarity and rates.

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**Timeline**: 2-3 days

**Instructional Focus**: Ratio and Proportion, Scaled Drawing and Measurement

**Hook**: Texas State Aquarium Video

**Driving Question(s)**:

What are ratios and proportions? How are they used to create scaled drawings in architecture? How do you find the area of two dimensional figures including rectangles, trapezoids, shapes and composite figures?

**Challenge Brief Details**:

You are to design an Aquarium floor plan. Include the pools, tanks, and other displays listed, plus any that you personally want to add. Arrange all the tanks against the walls. The circular pools or tanks need to be placed in the middle of the floor plan.

**Problem Requirements**:

**Parameters of the Project**including calculation page which can be modified for different learners.

**Materials**:

**Ruler****Compass****Centimeter Grid Paper**

**Supporting Materials**:

- Proportional Smilies: Which of these smilies are proportional?
- Student notes on ratio, rate, proportion
- Ratios and Proportion Background for Teachers
- Introduction to Geometry: this activity will allow students to interact with the formula chart for basic 2D shape formulas that they will need to complete the problem.

**Rubrics:**

This rubric will be shared with students at the beginning of the activity. The teacher will refer to the criteria as they facilitate the students working through this problem.

Here is the** Extreme Makeover Scoring Rubric**