# Area and perimeter

## Count unit squares to find area

### Practice

Find area by counting unit squaresGet 5 of 7 questions to level up!
Find area with partial unit squaresGet 5 of 7 questions to level up!
Create rectangles with a given areaGet 5 of 7 questions to level up!

## Area of rectangles

### Practice

Transition from unit squares to area formulaGet 5 of 7 questions to level up!
Area of rectanglesGet 5 of 7 questions to level up!
Find a missing side length when given area Get 5 of 7 questions to level up!

## Perimeter

### Practice

Find perimeter by counting unit squaresGet 3 of 4 questions to level up!
Find perimeter when given side lengthsGet 5 of 7 questions to level up!
Find a missing side length when given perimeterGet 5 of 7 questions to level up!

## Area of parallelograms

### Practice

Area of parallelogramsGet 3 of 4 questions to level up!

## Area of triangles

### Practice

Find base and height on a triangleGet 3 of 4 questions to level up!
Area of right trianglesGet 3 of 4 questions to level up!
Area of trianglesGet 5 of 7 questions to level up!
Find missing length when given area of a triangleGet 3 of 4 questions to level up!

## Area of trapezoids & composite figures

### Practice

Area of trapezoidsGet 3 of 4 questions to level up!
Area of composite shapesGet 3 of 4 questions to level up!
Area challengeGet 3 of 4 questions to level up!

## Area and circumference of circles

### Practice

Radius and diameterGet 5 of 7 questions to level up!
Circumference of a circleGet 3 of 4 questions to level up!
Area of a circleGet 5 of 7 questions to level up!
Area of parts of circlesGet 3 of 4 questions to level up!

### About this unit

Area and perimeter help us measure the size of 2D shapes. We’ll start with the area and perimeter of rectangles. From there, we’ll tackle trickier shapes, such as triangles and circles.