 The new Gynzy Flash-free Sort

### Angle Properties

- Lesson plan -

Identify, estimate, and measure the angles of plane figures using appropriate tools.

### Angles

- Lesson plan -

Identify angles as acute, right or obtuse. Find the measure of an angle using a protractor. ### Angles

- Lesson plan -

Identify angles as right, less than a right angle or greater than right angle.

### Applying the Pythagorean Theorem

- Lesson plan -

Use and apply the Pythagorean theorem to find the hypotenuse and the legs of a right triangle. ### Area

- Lesson plan -

Find the areas of squares, rectangles, parallelograms and triangles.

### Area

- Lesson plan -

Develop strategies to determine the area of rectangles and plane figures. ### Area - Grid based

- Activity -

Find the area of a shape on a grid by counting squares.

### Area - Side lengths

- Activity -

Calculate the area of rectangles or compound figures using side lengths. ### Area of a Circle

- Lesson plan -

Derive the formula for the area of a circle. Find the area of a circle given the radius or diameter of a circle.

### Area of a Tapezoid

- Lesson plan -

Find the area of a trapezoid by using compound figures and by deriving the formula for the area of a trapezoid. Find the height given the area. ### Area of complex shapes

- Activity -

Calculate the area of parallelograms, triangles and trapezoids.

### Area of Irregular Figures

- Lesson plan -

Find the area of irregular figures by dividing them into familiar shapes (rectangles and triangles.) ### Area of Irregular Figures

- Lesson plan -

Find the areas of complex figures by dividing them into familiar shapes. Find the areas of each shape and sum to find the total area.

### Area of Irregular Figures

- Lesson plan -

Find the areas of complex or irregular figures by dividing them into familiar shapes. Find the areas of each shape and sum them to find the total area. ### Arithmetic & Geometric Sequences

- Lesson plan -

Identify and extend arithmetic and geometric sequences. Find the common differences of arithmetic sequences. Find the common ratio of geometric sequences. Find the nth term of an arithmetic or geometric sequence.

### Balance

- Activity -

Attach the labels to both sides of the scale and make sure it's balanced.