Perimeter
Why this, why now
In this unit pupil will learn perimeter as the distance around the edge of a 2D shape. They will learn perimeter is measured in units of length found by counting units and by calculating by adding the side lengths of a 2D shape.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 6 / 25
Perimeter
In this unit pupil will learn perimeter as the distance around the edge of a 2D shape. They will learn perimeter is measured in units of length found by counting units and by calculating by adding the side lengths of a 2D shape.
10 lessons- Know that a regular polygon has sides that are the same length and angles that are the same size
- Understand that different shapes can have the same perimeter
- Understand that the perimeter of a regular polygon can be calculated by multiplication
- Know that unknown side lengths can be calculated from the perimeter and known side lengths
- Know that perimeter is measured in units of length and can be found by counting or measuring units
- Calculate the side length of a regular polygon by division where the perimeter is known
- Know that the perimeter is the distance around a 2D shape
- Know that perimeter can be calculated by adding together the side lengths of a 2D shape
- Know that the perimeter of a rectangle can be calculated by addition and multiplication
- Solve problems involving the perimeter and side lengths of polygons