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Presentation transcript:

  Question? Alternative Beta version Trigonometry Part 2

  Beta version What do angles on a line add up to? 90 ° 180 ° 270 ° 360 °

  Beta version What do angles round a point add up to? 90 ° 180 ° 270 ° 360 °

  Beta version What is the missing angle? 90 ° 100 ° 170 ° 180 °

  Beta version What is the missing angle? 200° 90° 80 ° 70 °

  Beta version BONUS ROUND! Just pick the lucky colour RED GREEN BLUE YELLOW

  Beta version You will need to look at the diagrams you drew for the starter to help with the next few questions. Work in your group to decide on the answer. You can do any working out in your maths book.

  Beta version Look carefully at the diagram, then decide whether the statement is true or false. True False There are 2 acute and 2 obtuse angles.

  Beta version Look carefully at the diagram, then decide whether the statement is true or false. True False Opposite angles are the same.

  Beta version Look carefully at the diagram, then decide whether the statement is true or false. True False Opposite angles add to 180°

  Beta version Look carefully at the diagram, then decide whether the statement is true or false. True False 2 adjacent angles (next to each other) add to 180°

  Beta version BONUS ROUND! Just pick the lucky colour RED GREEN BLUE YELLOW

  Beta version Write down two facts that you have learnt.

  Beta version Now use what you have learnt to solve the following problems.

  Beta version What is the size of angle x? 40 ° 80 ° 140 ° 180 °

  What is the size of angle x? 80 ° 100 ° 180 ° 360 ° Beta version

  Beta version What is the size of angle x? 360 ° 180 ° 120 ° 60 °

  Beta version What is the size of angle x? 180 ° 147 ° 133 ° 47 °

  Beta version The next question could win MASSIVE points for the group with the lucky number.

  Beta version What is the size of angle x? 168 ° 22 ° 12 ° 28 °

  Beta version The next question could win MASSIVE points for the group with the lucky number.

  Beta version What is the size of angle x? 113 ° 67 ° 180 ° 57 °

  Beta version BONUS ROUND! Just pick the lucky colour RED GREEN BLUE YELLOW

  Beta version NOMINATION QUESTION Odds or Evens?? The lucky team gets to choose whether the odd numbered teams or the even numbered teams answer the next question.

  Beta version What are the two marked angles? 45 ° and 90° 60 ° and 120° 40 ° and 140° 50 ° and 100°

  Beta version NOMINATION QUESTION Odds or Evens?? The lucky team gets to choose whether the odd numbered teams or the even numbered teams answer the next question.

  Beta version What is the value of x? 35 ° 70 ° 140 ° 110 °

  Beta version What are the two marked angles? 45 ° and 90° 60 ° and 120° 40 ° and 140° 50 ° and 100°

  Beta version What is the value of x? 30 ° 40 ° 60 ° 120 °

  Beta version BONUS ROUND! Just pick the lucky colour RED GREEN BLUE YELLOW

  Beta version How many of these statements are ALWAYS true when 2 straight lines cross? none There are 2 pairs of different equal angles. There are 2 acute and 2 obtuse angles. The opposite angles are equal.

  Beta version BONUS ROUND! Just pick the lucky colour RED GREEN BLUE YELLOW

  Beta version CONGRATULATIONS !!! to the winners. Commiserations to the rest of you – better luck next time!