All pupils are confident working with similarity and congruence Similarity and Congruence Practice L.O. All pupils are confident working with similarity and congruence

Starter: Snap!

All pupils are confident working with similarity and congruence Similarity and Congruence Practice L.O. All pupils are confident working with similarity and congruence

Main 1: Wipeboards

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

Are these triangles congruent Are these triangles congruent? If so state one of these reasons SSS, SAS, ASA, RHS

All pupils are confident working with similarity and congruence Similarity and Congruence Practice L.O. All pupils are confident working with similarity and congruence

Similar? Congruent? Main 2: A A A A A A A A A A A A A A A A D B C J I 7cm A A 80ᵒ 10cm 60ᵒ A A 12cm 3cm D A B 75ᵒ C 60ᵒ 80ᵒ 3cm 12cm 4cm 9cm J A A A 50ᵒ A 12m 8cm I 30ᵒ G 30ᵒ 3cm E A 4cm 80ᵒ 80ᵒ 8cm 80ᵒ A 50ᵒ F 4cm 80ᵒ 7m H 60ᵒ 60ᵒ A 75ᵒ A 12cm A 50ᵒ A 80ᵒ A K 75ᵒ L 3cm 12cm 9cm 80ᵒ O M N 50ᵒ 45ᵒ 7cm 45ᵒ 10cm 3cm

Similar? Congruent? Main 2: A A A A D B A C J I G E F H L K O N M 7cm 80ᵒ 10cm 60ᵒ 12cm 3cm B D 75ᵒ A C 60ᵒ 80ᵒ 3cm 12cm 4cm 9cm J A 50ᵒ 12m 8cm A I 30ᵒ G 30ᵒ 3cm E 4cm 80ᵒ 80ᵒ A 8cm 80ᵒ 50ᵒ F 4cm 80ᵒ 7m H 60ᵒ 60ᵒ 75ᵒ A 12cm 50ᵒ 80ᵒ K L 75ᵒ 3cm 12cm O 9cm N 80ᵒ M 50ᵒ 45ᵒ 7cm 45ᵒ 10cm 3cm

All pupils are confident working with similarity and congruence Similarity and Congruence Practice L.O. All pupils are confident working with similarity and congruence

Congruence and Similarity Main 3: Congruence and Similarity

Main 3: The Back Story Aptly named Deputy Nick Crimes has just woken from a coma to discover that Earth is in the midst of a zombie apocalypse. The "shufflers" and "nibblers", as the zombies are known, are continually looking for "fresh meat" in the form of human flesh. Deputy Crimes must find refuge along with fellow survivors from the shufflers and nibblers. Can you help?

Which of the warehouses below can he go in safely? Main 3: Situation 1 Deputy Crimes has been informed that any warehouses that are congruent to Shape A are safe. Which of the warehouses below can he go in safely? A B C D E F G H I J K L M N O Answers: C, D, F, I, L, M

Which of the buildings below can he go in safely? Main 3: Situation 2 Deputy Crimes has been informed that any buildings that are similar to Shape A are safe. Which of the buildings below can he go in safely? A B C D E F G H I J Answers: C, E, H, J

Main 3: Situation 3 Deputy Crimes has been informed that any buildings that are similar to a cuboid of dimensions 3cm by 4cm by 5cm are safe. Which of the buildings below can he go in safely? Building A 6m 8m 10m Building B: Height: 9m Width: 11m Length: 15m Building C: Height: 12m Width: 16m Length: 20m Building D: Height: 7.5m Width: 10m Length: 12.5m Building E 4.5m 5.5m 7.5m Answers: A, C, D

Main 3: Situation 4 Deputy Crimes knows that the picture of the triangle and the silhouette of the building are similar. He wants to know the missing lengths on both triangles and the scale factor of enlargement. 21m 31.5m 6cm 8cm 9cm 28m Scale Factor: 3.5

All pupils are confident working with similarity and congruence Similarity and Congruence Practice L.O. All pupils are confident working with similarity and congruence