Learning Target: To be able to use angles to solve puzzles.
Success Criteria
Beginning
Measure and draw angles accurately; distinguish between acute, obtuse and reflex angles.
Developing
Apply the angle properties of angles at a point, on a straight line and vertically opposite angles.
Mastering
Investigating the angles in polygons.
ResourcesSuccess Criteria
Beginning
Measure and draw angles accurately; distinguish between acute, obtuse and reflex angles.
Developing
Apply the angle properties of angles at a point, on a straight line and vertically opposite angles.
Mastering
Investigating the angles in polygons.
Beginning
B1
What is an angle? How do we measure an angle? What does this tell us?
Guess the angle game
B2
CIMT: Naming Angles
B3
Angles (from Ten Ticks 5,3,5-6) (print)
Guess and then check the angles
B2
CIMT: Naming Angles
B3
Angles (from Ten Ticks 5,3,5-6) (print)
Guess and then check the angles
Developing
D1
Angles around a point - Trail (print)
D2
Use whiteboard to test understanding.
Mastering
M1
To investigate the angle in a triangle. What can we say about the angles in an equilateral triangle?
Ask students to cut out a triangle and then mark the three corners.
Now cut the corners off the triangle corners.
Now put the points together to find out what the angles in a triangle add up to.
M2
CIMT Interactive: Finding Angles in Triangles
Homework
1) Watch this video: Angles in a triangle
2) Complete this MyMaths: Angles Reasoning (also set as a task)
Extension
3) Watch this video: Angles in a polygon
4) Summaries the five key points in your planner.
5) Upload a phone of these five points to Showbie.
