The new Gynzy

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### Interior & Exterior Angles of a Polygon

- Lesson plan -

Investigating the interior and exterior angles of polygons. Derive the formula for finding the sum of the interior angles of a polygon. Use this to find the interior angles of a regular polygon. Find the sum of the exterior angles of a polygon.

### Finding the Percent of a Number

- Lesson plan -

Find the percent of a number and apply in real-life scenarios.

### Pi Day

- Lesson plan -

Students will identify Pi, use it to find the area of a circle, and to examine the relationship of area to circumference. They will learn about its history and have some Pi competitions.

### Adding & Subtracting Rational Numbers

- Lesson plan -

Add and subtract rational numbers including negative fractions. Use absolute value to solve addition and subtraction problems.

### Customary Measure

- Lesson plan -

Identify and convert units of length, weight and capacity within the customary system of M.

### Line Plots

- Lesson plan -

The objective of this lesson is display data using line plots. Use line plots to find measures of central tendency. Interpret data using a line plot.

### Probability

- Lesson plan -

Define probability, discuss the vocabulary associated with probability, learn different ways to express probability, and develop understanding of strategies for solving probability problems including sample space and tree diagrams.

### Mixed Math Mysteries

- Lesson plan -

Students review concepts of factorization, prime numbers, odd. even. divisibility and practice these operations

### Estimation Strategies

- Lesson plan -

Use a range of estimation strategies, including: rounding, front-end, clustering, compatible numbers, in order to make reasonable estimates and to estimate efficiently.

### Percent of Change

- Lesson plan -

Find a percent increase or a percent decrease. Solve problems in involving percent increase or percent decrease.

### Adding & Subtracting Mixed Numbers with Unlike Denominators

- Lesson plan -

Use fraction models to add and subtract mixed numbers with unlike denominators, and progressing to solving mixed number problems without modeling.

### Solving Equations with Variables on Both Sides

- Lesson plan -

Solve equations with variables on both sides. Solve algebraic problems with variables on both sides.

### Graphing Linear Inequalities

- Lesson plan -

Graph linear inequalities. Graph solutions to inequality problems. For this lesson, Full Screen mode is recommended, as some answers may be visible to students if the Page Sorter view is on.

### Algebra Tiles

- Lesson plan -

Model operations with polynomial expressions using algebra Tiles. Add, subtract, multiply and divide polynomials.

### Practice: Shapes and Colors

- Lesson plan -

Students learn to recognize shapes and colors with six different exercises.

### Percents, Sales Tax & Discounts

- Lesson plan -

Solve real-­world problems using percents. Calculate sales tax, commission, tips and discounts.