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Year 7 Spring 1 Lesson 7: Mixed angle problemsObjectiveTo find missing angles using the rules they have learnt so farAimThis is a consolidation lesson where students have to choose which rules they must use.ResourcesPowerpointCrossword cluesBlank crossword grids (printed twice – once to complete and one for their own)Settler: Numeracy Ninjas (max 10 mins)Activity 1: The Powerpoint is just used as a guide – many students will have never completed a crossword and won’t understand the across and down clues. Some will also be confused as the questions aren’t numbered 1,2,3 etc.Questions for progressionFind the question for 1 across. What is the answer?How did you work it out?Find the question for 1 b. Which rule do you need to use to answer this question?Activity 2: Individual workStudents work through the rest of the crossword.Questions for progressionLook through your book to find a question similar to this one.Which rule must you use to answer this question?If your answer doesn’t fit in with the crossword you must have made a mistake somewhere. Can you find it?Activity 3: Once they have finished, students should make their own crossword using as many rules as they can.The must write the questions and write the answers in a blank template.Little progressDon’t know where to beginQuestions for progressionChoose an angle rule to write a question about. Can you draw a diagram for that?How many digits does 1 across have?Can you put numbers on your diagram. What could the question be to make the answer have 3 digits?Some progressStudents can write questions but struggle when there is already a number in the grid.Questions for progressionWhich digit is already there? Tell me a number that has that digit in that place?Can you write a question where that is the answer?Substantial progressMakes a workable and well-presented crossword with correct answersQuestions for progressionCan you make a more difficult question for this answer?What makes it more difficult?How many different questions could you write that have this answer?-62865129540Acknowledgement: M Warden0Acknowledgement: M Warden ................
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