Title: Angles
Beginning
To be able to demonstrate how to draw and measure angles accurately.
Can you explain in simple steps how to use use a protractor?
Developing
To recall that the sum of the angles on a line is 180o and the sum of the angles at a point is 360o and to use this knowledge to investigate angle puzzles.
If there are 5 equal angles around a point, can you work out the angles?
Mastering
To be able to calculate using the angles in parallel lines.
To be able to calculate using the angles in parallel lines.
Can you name the three rules we use?
Resources
Level 4
Drawing and measuring angles
Ten Ticks 5, 3, page 5 (print)
CIMT Interactive: Measuring Angles
Angle rules
Ten Ticks 5, 3, page 17
CIMT Interactive: Angles on a Line
Level 5
Parallel Lines
Ten Ticks 5, 3, pages 27-8
Homework:
I would like you to draw a poster explaining the following rules:
- Angles on a straight line
- Opposite angles
- Angles around a point
- Angles in parallel lines
Once you have done this, upload your work to Showbie.
