Starter quiz
- Match the shape with the number of right angles that it has.
- a⇔0 ✓
- b⇔1 ✓
- c⇔4 ✓
- d⇔2 ✓
- Which of these shapes are quadrilaterals?
- a ✓
- b
- c ✓
- d
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- Look at the image of the quadrilateral and correctly match the parts of the statements.
- It has one⇔pair of parallel sides. ✓
- It has two⇔pairs of perpendicular sides. ✓
- It has four⇔vertices. ✓
- Look at this pentagon. Which statements are true?
- It has two pairs of parallel sides. ✓
- It has two pairs of perpendicular sides
- It has three right angles ✓
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- What is true for all of these polygons?
- They all have right angles.
- They all have at least one pair of perpendicular sides.
- They all have at least one pair of parallel sides. ✓
- They are all quadrilaterals. ✓
-
- Look at this polygon. Which statements are true?
- This polygon is a quadrilateral. ✓
- It has two right angles.
- It has two pairs of parallel sides. ✓
- It has no perpendicular sides. ✓
- This polygon is a rectangle.
-
Exit quiz
- What are the properties of a rectangle?
- 4 right angles ✓
- 4 pairs of perpendicular sides ✓
- 4 pairs of parallel sides
- 4 equal sides
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- The lines on the isometric paper are __________ because they stay the same distance apart.
- perpendicular
- equal
- parallel ✓
-
- Izzy drew this polygon on isometric paper. Which of these statements is not true?
- The shape is a pentagon. ✓
- It has two pairs of parallel sides.
- It has three right angles.
- It has three pairs of perpendicular sides.
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- True or false. The number of right angles in a shape is the same as the number of pairs of perpendicular sides.
- True ✓
- False
- Match each shape to the correct description.
- A has⇔two pairs of parallel sides, no right angles, no perpendicular sides. ✓
- B has⇔four right angles and two pairs of parallel sides. ✓
- C has⇔one pair of parallel sides, no right angles, no perpendicular sides. ✓
- D has⇔no parallel sides or perpendicular sides. ✓
- Look at the polygon drawn on isometric paper. Match the number with the description.
- 0⇔pairs of perpendicular sides ✓
- 3⇔pairs of parallel sides ✓
- 6⇔number of sides ✓
Worksheet
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Presentation
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Lesson Details
Key learning points
- Different patterns on the paper allow you to draw polygons with different properties.
- A ruler helps to draw shapes accurately.
- Mark the vertices of the shape and join them with a ruler to create polygons.
Common misconception
Pupils may not identify when a polygon has more than one pair of parallel or perpendicular sides especially when the polygon is not a rectangle.
Make use of right angle checkers to identify that some shapes have more than one right angle and take time to link this to perpendicular sides.
Keywords
Isometric - Isometric means distances between points stay the same. In this lesson we use isometric paper which has equally spaced dots or points.
Perpendicular - Two lines which meet at a right angle are perpendicular.
Parallel - Parallel lines are straight lines that are always the same distance apart. They never get closer together or further apart.
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