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Lesson Plan – Rectangles Mental and Oral Starter Pupils to complete the ‘heard the word’ grid. Main Activity Using mini white boards ascertain pupils prior knowledge and recap the methods used to calculate the area and perimeter of rectangles and compound shapes. Give out the ‘today’s task’ instruction sheet to each group and briefly talk through the instuctions with the class. Discuss the learning outcomes and remind pupils to choose the rectangles or compound shapes that will challenge them. Plenary Pupils to reflect on the success criteria for the Habits of Mind and Maths Objectives Objectives and Habits of Mind Level 3 - To understand the difference between area and perimeter. Level 4 - To find the area and perimeter of a rectangle by counting squares. Level 5 To use formula to find area and perimeter of rectangles and compound shapes. Keywords: Area, Perimeter, Length, Width, Formula

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LO To find the area and perimeter of rectangles. RAG Key Words: Area, Perimeter, Length, Width 3-May-15 Starter Activity Complete the ‘Heard the Word’ table and then fold it in half and glue it into your book.

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Level345678 Shape Space Measure I understand and can explain the difference between area and perimeter. I can find the area and perimeter of shapes by counting squares. I can find the area of rectangles and squares using a formula. I can find the area of triangles, kites, parallelogram trapeziums and circles. I can use formulae for the volume of cuboids. I can find the volume and surface area of cuboids. I can calculate volumes and surface area of prisms and cylinders. I understand the difference between formulae for area, perimeter and volume by considering dimensions. Today we are learning I am starting the lesson on level _____________________ By the end of this lesson I want to be able to _____________________

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Key Words PolygonLengthWidth HeightPerimeterArea Surface AreaVolumeCircumference RadiusDiameterPi

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On your mini white boards describe what I mean by the perimeter of this rectangle.

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On your mini white boards describe what I mean by the area of this rectangle.

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How could we calculate the perimeter of the black rectangle?

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How could we calculate the area of the black rectangle?

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7 4

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How could we calculate the perimeter of this rectangle? 5cm 3cm

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How could we calculate the area of this rectangle? 5cm 3cm

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How do we calculate the perimeter of any rectangle or square? width length We add two lots of the length and two lots of the width! A = l + l + w + w

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How do we calculate the area of any rectangle or square? width length We multiply the length by the width! A = l x w

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Find the area of this shape: 5cm 2cm 5cm

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Today’s Task Match the different shapes to their areas and perimeters. The groups does not need to match all of the shapes, it is more important that each person works on a shape that challenges them. If necessary two people could work on the same shape and compare their answers. For each shape you must show how you worked out the area and the perimeter. You cannot glue a matching pair onto your A3 paper unless the rest of the group agree with your method. If you complete both the * shapes (these are the challenge shapes) draw a challenge shape of your own and work out the area and the perimeter.

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5cm 3cm 2cm 8cm This path is 2cm wide all the way around. 12cm 7cm 10cm 12cm 17cm 7cm 2cm 8cm 10cm 3cm 7cm * *

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44cm51cm 2 28cm120cm 2 18cm 46cm 2 18cm12cm 2 ?44cm 2 10cm 2 40cm80cm 2 14cm20cm 2 36cm14cm 2 ?49cm 2 14cm

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