2D Shapes and Sides in Mathematics
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Steps to success:
*I can describe 2D shapes according to the number of
sides.
*I can identify a shape by the number of sides.
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Fluency
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Fluency
A 4-sided shape is called a
quadrilateral
.
square
trapezium
rectangle
rhombus
parallelogram
kite
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Fluency
C
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What is a 7-sided
shape called?
Heptagon
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Problem
solving
Dive into identifying and counting the sides of 2D shapes through informative practices like describing shapes by their sides, recognizing shapes by their side count, and solving engaging problems related to shapes and sides. Explore the properties of various polygons, such as squares, triangles, pentagons, hexagons, rectangles, octagons, heptagons, and more. Enhance your geometric knowledge and problem-solving skills with fun activities and fluency exercises.
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Presentation Transcript
2.2.21 WALT: count the sides of 2D shapes. Steps to success: *I can describe 2D shapes according to the number of sides. *I can identify a shape by the number of sides.
Fluency Complete the table. Name Shape Number of sides 3 Square 3 Triangle 5 Pentagon
Fluency Complete the table. Name Shape Number of sides 6 Hexagon 4 Rectangle 8 Octagon
Fluency Which shapes have 4 sides?
A 4-sided shape is called a quadrilateral. rectangle trapezium square parallelogram rhombus kite
Fluency I am thinking of a shape. I have 5 sides. What shape am I? Pentagon
Fluency I am thinking of a shape. I have more than 7 sides. What shape am I? Octagon
Fluency I am thinking of a shape. I have less than 3 sides. What shape am I? Circle
What is a 7-sided shape called? Heptagon
Reasoning Which shape is the odd one out? Explain how you know. The odd shape out is the green shape as this has 5 sides. All the other shapes have 4 sides.
Problem solving Here are 30 sticks How many pentagons could you make from this? We can make 6 pentagons from 30 sticks. A pentagon has 5 sides. 6 lots of 5 make 30 or 6 x 5 = 30.
