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Entry Activity Look at the cards on your desk. In pairs discuss match the key words to the definitions.

Area of rectangles and triangles

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Page 1: Area of rectangles and triangles

Entry Activity

Look at the cards on your desk.

In pairs discuss match the key words to the definitions.

Page 2: Area of rectangles and triangles

Area The space inside the shapeRemember: The grass inside a field

Perimeter The length around the outside of a shapeRemember: The fence around the field

Rectangle A four sided shape, two sets of parallel sides, two pairs of sides that are the same length, all angles are 90˚

Square A four sided shape, all sides are the same length, all angles are 90˚, two pairs of parallel sides

Triangle A shape with three sides, all the sides are straight

cm² This shows a measurement of area

Polygon A shape with only straight sides

Parallel Side by side and having the same distance continuously between them

Page 3: Area of rectangles and triangles

• I will learn to calculate the area of squares and rectangles by counting squares Level 3• I will learn to calculate the area of

squares and rectangles using lengths Level 4• I will learn to calculate the area of a

triangle Level 5• Challenge Objective: I will learn to

calculate the area of compound shapes Level 5+

Page 4: Area of rectangles and triangles

I will learn to calculate the area of squares and rectangles by counting squares Level 3

Page 5: Area of rectangles and triangles

I will learn to calculate the area of squares and rectangles by counting squares Level 3

Page 6: Area of rectangles and triangles

• I will learn to calculate the area of squares and rectangles by counting squares Level 3• I will learn to calculate the area of

squares and rectangles using lengths Level 4• I will learn to calculate the area of a

triangle Level 5• Challenge Objective: I will learn to

calculate the area of compound shapes Level 5+

Page 7: Area of rectangles and triangles

I will learn to calculate the area of squares and rectangles using lengths Level 4

9 cm

Page 8: Area of rectangles and triangles

I will learn to calculate the area of squares and rectangles using lengths Level 4

9 cm

9cm²24cm² 35cm² 25cm²

108cm²

84cm² 81cm² 49cm² 54cm² 121cm²

45cm²147cm²

0.25cm²20cm² 22.75cm²

Page 9: Area of rectangles and triangles

• I will learn to calculate the area of squares and rectangles by counting squares Level 3• I will learn to calculate the area of

squares and rectangles using lengths Level 4• I will learn to calculate the area of a

triangle Level 5• Challenge Objective: I will learn to

calculate the area of compound shapes Level 5+

Page 10: Area of rectangles and triangles

I will learn to calculate the area of a triangle Level 5

Page 11: Area of rectangles and triangles

I will learn to calculate the area of a triangle Level 5

Page 12: Area of rectangles and triangles

I will learn to calculate the area of a triangle Level 5

Page 13: Area of rectangles and triangles

• I will learn to calculate the area of squares and rectangles by counting squares Level 3• I will learn to calculate the area of

squares and rectangles using lengths Level 4• I will learn to calculate the area of a

triangle Level 5• Challenge Objective: I will learn to

calculate the area of compound shapes Level 5+

Page 14: Area of rectangles and triangles

Challenge Objective: I will learn to calculate the area of compound shapes Level 5+

Rectangle A

Rectangle B

10cm

2cm

4cm

3cm

Page 15: Area of rectangles and triangles

Challenge Objective: I will learn to calculate the area of compound shapes Level 5+

Page 16: Area of rectangles and triangles

Challenge Objective: I will learn to calculate the area of compound shapes Level 5+

16cm²

48cm²

19cm²76cm²

36cm² 88cm²

Page 17: Area of rectangles and triangles

Challenge Objective: I will learn to calculate the area of compound shapes Level 5+

Page 18: Area of rectangles and triangles

Challenge Objective: I will learn to calculate the area of compound shapes Level 5+

64cm² 136cm²35cm²64cm²

Page 19: Area of rectangles and triangles

Progress SheetI can calculate the area of squares and

rectangles by counting squares Level 3I can calculate the area of squares and

rectangles using lengths Level 4I can calculate the area of a triangle

Level 5I can calculate the area of compound

shapes Level 5+

Page 20: Area of rectangles and triangles

Red Question

Calculate the area of the shape below

Page 21: Area of rectangles and triangles

Pink Question

Calculate the area of the shape below

Page 22: Area of rectangles and triangles

Salmon Question

Calculate the area of the shape below

Page 23: Area of rectangles and triangles

Purple Question

Calculate the area of the shape below

Page 24: Area of rectangles and triangles

Yellow Question

Calculate the area of the shape below

Page 25: Area of rectangles and triangles

Gold Question

Calculate the area of the shape below

Page 26: Area of rectangles and triangles

Mint Question

Calculate the area of the shape below

Page 27: Area of rectangles and triangles

Blue Question

Calculate the area of the shape below

Page 28: Area of rectangles and triangles

Green Question

Calculate the area of the shape below

Page 29: Area of rectangles and triangles

Answer of 16cm²

Area of compound shapes

Page 30: Area of rectangles and triangles

Answer of 76cm²

Area of compound shapes

Page 31: Area of rectangles and triangles

Answer of 19cm²

Area of compound shapes

Page 32: Area of rectangles and triangles

Answer of 48cm²

Area of compound shapes

Page 33: Area of rectangles and triangles

Answer of 36cm²

Area of compound shapes

Page 34: Area of rectangles and triangles

Answer of 88cm²

Area of compound shapes

Page 35: Area of rectangles and triangles

Answer of 64cm²

Area of compound shapes

Page 36: Area of rectangles and triangles

Answer of 35cm²

Area of compound shapes

Page 37: Area of rectangles and triangles

Answer of 136cm²

Area of compound shapes