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# Unit: Area and perimeter

#### 0

Possible mastery points

## Count unit squares to find area

Practice
Understand areaGet 3 of 4 questions to level up!
Find area by counting unit squaresGet 5 of 7 questions to level up!
Create rectangles with a given areaGet 3 of 4 questions to level up!

## Area of rectangles

Practice
Area of rectangles with partial arraysGet 5 of 7 questions to level up!
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
Area and perimeter situationsGet 3 of 4 questions to level up!
Find perimeter by counting unitsGet 3 of 4 questions to level up!
Find perimeter when given side lengthsGet 5 of 7 questions to level up!
Find perimeter when a side length is missingGet 3 of 4 questions to level up!
Find a missing side length when given perimeterGet 3 of 4 questions to level up!
Area and perimeter word problemsGet 3 of 4 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 1300 Mastery points

## 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!

#### Quiz 2

Level up on the above skills and collect up to 900 Mastery points

## 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!

#### Quiz 3

Level up on the above skills and collect up to 400 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 2600 Mastery points!

### 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.