proofs of trig identities help with HW) there are two triangles with for angles larger than the properties ? 90 (or later if more Recap of cosine rule and area of a triangle. Ability groupings can be used, time needed for prep) with all questions needing to Problem solving questions sourced from old exam be completed by each group, HW If using 1 lesson, go papers. Eg from (adjustment may be needed for then time given for each Research proof of cosine rule straight into proof of questions in radians) student to explain their hardest and area of a triangle (especially sine rule task. question to others in their if 2 lessons used, at beginning group. of 2nd lesson students can If using 2 lessons more time present their proofs) can be spent on sharing ideas Or fluency practice including – and solutions in groups/ as a ambiguous case class. Students to revisit Review lesson with mix of problem solving/ exam style Mini plenaries where stronger Discuss key questions and 9 earlier mind maps and questions. students present how they approaches add new knowledge. Eg. includes knowledge of circles have started harder problem Some old style exam questions (needs adapting to could help support weaker Homework: remove radians): ones. Alternatively pair or Topic assessment group students by ability.
proofs of trig identities for angles larger than 90 (or later if more time needed for prep) If using 1 lesson, go straight into proof of sine rule task. Recap of cosine rule and area of a triangle. Problem solving questions sourced from old exam papers. Eg from (adjustment may be needed for questions in radians) help with HW) Ability groupings can be used, with all questions needing to be completed by each group, then time given for each student to explain their hardest question to others in their group. If using 2 lessons more time can be spent on sharing ideas and solutions in groups/ as a class. there are two triangles with the properties ? HW Research proof of cosine rule and area of a triangle (especially if 2 lessons used, at beginning of 2nd lesson students can present their proofs) Or fluency practice – including ambiguous case 9 Students to revisit earlier mind maps and add new knowledge. Review lesson with mix of problem solving/ exam style questions. Eg. includes knowledge of circles Some old style exam questions (needs adapting to remove radians): Mini plenaries where stronger students present how they have started harder problem could help support weaker ones. Alternatively pair or group students by ability. Discuss key questions and approaches Homework: Topic assessment
06_trigonometry_as_bom_sow.docx