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Blondie proved there was nothing dull about parallel lines, and these resources will help students to get their heads around all sorts of angle- based conundrums.

1. Right angle

What is it? A challenge to work out the missing angles for a computer programmer, using knowledge of parallel lines and their angle properties

What users say "What a fun resource. I love it when materials make me smile."

2. Line them up

What is it? A simple worksheet on angles in parallel lines. Makes an excellent starting point for probing student knowledge and promoting mathematical discussion

What users say "Really useful."

3. Angular miracle

What is it? An interactive whiteboard activity offering information on angles in a quadrilateral, alternate angles, corresponding angles and interior angles

What users say "Fantastic. Just what I needed for weaker students."

4. Right lines

What is it? Twenty quick questions on angles, mostly in parallel lines, which could be completed on mini-whiteboards or in a quiz

What users say "This is excellent. I will put it on the network so my students can work on it individually."

5. Royal Holness

What is it? A variation on classic TV quiz Blockbusters, with questions on angle rules

What users say "This works really well. Thank you very much for sharing - it must have taken a while to write."

6. Circles time

What is it? Students are presented with five questions on circle theorems, and two answers for each. They must "tick or trash" - identify which is correct and which is not

What users say "Very useful as a revision tool. My students also found it inspiring. A million thanks."

7. That's criminal

What is it? A crime has been committed and students have to use their bearing skills to locate clues

What users say "I used this with an excluded student, who doesn't normally engage and hates maths. He really enjoyed it and remained on task."

8. Ashes to ashes

What is it? A three-part interactive lesson with an angle-estimating game, instructions for how to work out bearings and a "tick or trash" plenary using the 2010 volcanic ash cloud as a starting point

What users say "Superb. Really clear presentation."

9. Time for tee

What is it? A golf-themed task on measuring angles using a protractor. Students calculate the percentage power of their chosen club to complete a nine-hole course

What users say "Awesome resource - this has everything. I like that this covers more than just angles, using percentages for the power."

10. Alphabet angles

What is it? A PowerPoint presentation for introducing angles and developing geometrical reasoning, plus a starter activity on spotting angles in the alphabet

What users say "A comprehensive package of lessons on angle properties. Some great work in here."

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