This true or false activity contains 16 lettered cards with statements about acute, obtuse and reflex angles on. Students must decide if a statement is true or false to find each next card to work on, collecting the letters in order along the way. The cards form a loop, so students will have to determine which is the starting card, in order to decipher the message.
The cards can be cut up or not – the activity works well either way. The activity could also be used as a treasure hunt, by photocopying the cards onto A3, cutting out and hanging around the room.
The activity could be extended by asking students to correct the cards with false statements.
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