1. Congruent Triangles – Card Match
In this activity students work individually or in groups to
match questions and answers.
‘Quick Cut’ – Choose the questions/slides you wish to use and delete others.
Sets of questions can then be easily guillotined to save time.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

4. Angle between two sides ASA Two angles and a corresponding side RHS
SSS
All sides the same
SAS
Angle between two sides
ASA
Two angles and
a corresponding side
RHS
The hypotenuse of a
right-angled triangle
and a corresponding side.

5. Half
Answers

6. Answers

9. 7 cm
8 cm
7 cm
8 cm
RHS
RHS
RHS
RHS
RHS
RHS
RHS
RHS

10. 4 cm
6 cm
6 cm
4 cm
RHS
RHS
RHS
RHS
RHS
RHS
RHS
RHS

11. 6 cm
8 cm
8 cm
6 cm
RHS
RHS
RHS
RHS
RHS
RHS
RHS
RHS

12. Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown 5 cm

13. 6 cm
40°
40°
6 cm
ASA
ASA
ASA
ASA
ASA
ASA
ASA
ASA

14. 5 cm
70°
80°
80°
70°
5 cm
ASA
ASA
ASA
ASA
ASA
ASA
ASA
ASA

15. 70°
80°
5 cm
70°
5 cm
80°
ASA
ASA
ASA
ASA
ASA
ASA
ASA
ASA

16. Not Congruent Not Congruent Not Congruent Not Congruent Not Congruent
40°
5 cm
70°
70°
40°
5 cm
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent

17. 7 cm
40°
8 cm
8 cm
40°
7 cm
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS

18. 5 cm
100°
100°
5 cm
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS

19. 7 cm
30°
8 cm
8 cm
30°
7 cm
SAS
SAS
SAS
SAS
SAS
SAS
SAS
SAS

20. Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown 7 cm
30°
8 cm
8 cm
30°
7 cm
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown

21. 6 cm
4 cm
8 cm
8 cm
6 cm
4 cm
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS

22. 7 cm
4 cm
8 cm
4 cm
8 cm
7 cm
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS

23. 6 cm
5 cm
6 cm
5 cm
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS

24. Not Congruent Not Congruent Not Congruent Not Congruent Not Congruent
7 cm
5 cm
8 cm
5 cm
9 cm
7 cm
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent
Not Congruent

25. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
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