New
New
Year 6

Use knowledge of shape properties to sketch and identify shapes

I can use my knowledge of shape properties to sketch and identify shapes.

New
New
Year 6

Use knowledge of shape properties to sketch and identify shapes

I can use my knowledge of shape properties to sketch and identify shapes.

Lesson details

Key learning points

  1. Regular shapes have all sides the same length and all angles equal size.
  2. Knowledge of properties of shapes helps to sketch shapes.
  3. Knowledge of properties of shapes helps to identify shapes.

Common misconception

Pupils might get confused by shapes which are almost polygons - for example, one of the lines is slightly curved - or almost regular - for example, one side is slightly longer than the others.

These are either not polygons or are irregular polygons. Ensure pupils are clear about that. Examples and non-examples are given, including 'almost' examples. You may wish to include more and display these in your Maths environment.

Keywords

  • Regular - A regular polygon has all sides equal and all angles equal.

  • Irregular - An irregular polygon does not have all sides equal and does not have all angles equal.

There is a lot of technical language in this lesson. Consider the most effective ways to introduce this to your children and how best to ensure its continued use, such as displaying key vocabulary or developing stem sentences with children.
Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

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6 Questions

Q1.
Match the shape to the correct name.
An image in a quiz
Correct Answer:A,hexagon

hexagon

Correct Answer:B,square

square

Correct Answer:C,pentagon

pentagon

Correct Answer:D,octagon

octagon

Q2.
Select all of the squares.
Correct Answer: An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q3.
Select all of the regular polygons.
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q4.
Is this a 2D shape? Select the best answer and reason.
An image in a quiz
Yes. It is a quadrilateral.
No. It is a 3D shape.
Correct answer: No. It is not closed.
Q5.
Select all of the statements that are true of regular polygons.
Correct answer: They are two-dimensional, closed shapes.
They are sometimes three dimensional.
Correct answer: They have all straight sides.
No sides are equal in length.
Correct answer: All interior angles are equal.
Q6.
Which of these shapes has right angles?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz

6 Questions

Q1.
Match the number of sides to the shape name.
Correct Answer:3 equal sides,regular triangle

regular triangle

Correct Answer:4 equal sides,square

square

Correct Answer:5 equal sides,regular pentagon

regular pentagon

Correct Answer:6 equal sides, regular hexagon

regular hexagon

Correct Answer:7 equal sides, regular heptagon

regular heptagon

Q2.
Match the quadrilateral to the correct name.
An image in a quiz
Correct Answer:A,kite

kite

Correct Answer:B,trapezium

trapezium

Correct Answer:C,rhombus

rhombus

Q3.
Match the triangle to the correct name.
An image in a quiz
Correct Answer:A,isosceles

isosceles

Correct Answer:B,equilateral

equilateral

Correct Answer:C,scalene

scalene

Q4.
Tick all of the statements that are true of this trapezium.
An image in a quiz
Correct answer: It is a polygon.
It has three right angles.
It is a pentagon.
Correct answer: It is irregular.
Q5.
Tick all of the statements that are true of this shape.
An image in a quiz
Correct answer: It is a polygon.
Correct answer: It has three acute angles.
It is a scalene triangle.
It is regular.
Q6.
Tick all of the statements that are true of this shape.
An image in a quiz
It is a regular polygon.
Correct answer: It is a heptagon.
It has at least one obtuse angle.