Angles Facts and Missing Angle Challenges
Explore various angle facts and challenges where you identify missing angles on straight lines. Test your knowledge and skills with different angle combinations, calculations, and expressions provided in the content.
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Presentation Transcript
BRAIN DUMP How many angle facts do you know? Type them in the chat but do not submit them until I tell you
The angles are not drawn accurately b a Two angles a and b form a straight line. These two angles a and b will always add up to 180 degrees.
Write in the chat: What size could each of the angles be? The angles are not drawn accurately b a Give as many combinations as you can in the time you have. .
Three angles form a straight line. What size could each of the angles be? The angles are not drawn accurately b a c Give as many combinations as you can in the time you have
In the chat: What is the missing angle, b? 141 b
In the chat: What is the missing angle, c? 48 c
In the chat: What is the missing angle, d? d 138
In the chat: Write an expression for the missing angle, a. a b
2) 3) 1) 5) 6) 4) Angles on a Straight Line 8) 7) For each diagram: p p Write two maths sentences 100 Find the missing angle
1) 2) p x p + 10 x 3) 4) p 2? x x 5) Challenge For each diagram: x Write a maths sentence starting with x =
2) 3) 1) ? = 61 ? = 74 ? = 79 5) 6) 4) ? = 74 ? = 137 ? = 77 Angles on a Straight Line 8) 7) For each diagram: p p Write two maths sentences 100 Find the missing angle ? = 60 ? = 40
Review Task Complete Hegarty Task 477 before our next lesson
