Cone – Surface Area – 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. One-sheet sets of cards are also included for students to cut out themselves.

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’.

𝑇𝑜𝑡𝑎𝑙 𝑆𝑢𝑟𝑓𝑎𝑐𝑒 𝐴𝑟𝑒𝑎=π𝑟𝑙+π𝑟2

How can we find the slant height?

Half Answers

A 11 cm 6 cm 320.4 cm2 320.4 cm2 320.4 cm2 320.4 cm2 320.4 cm2 320.4 cm2 320.4 cm2 320.4 cm2

B 10 cm 7 cm 148.4 cm2 148.4 cm2 148.4 cm2 148.4 cm2 148.4 cm2 148.4 cm2 148.4 cm2 148.4 cm2

C 10 cm 8 cm 204.2 cm2 204.2 cm2 204.2 cm2 204.2 cm2 204.2 cm2 204.2 cm2 204.2 cm2 204.2 cm2

D 11 cm 14 cm 336.9 cm2 336.9 cm2 336.9 cm2 336.9 cm2 336.9 cm2 336.9 cm2 336.9 cm2 336.9 cm2

E 9 cm 3 cm 117.7 cm2 117.7 cm2 117.7 cm2 117.7 cm2 117.7 cm2 117.7 cm2 117.7 cm2 117.7 cm2

F 3 cm 5 cm 83.2 cm2 83.2 cm2 83.2 cm2 83.2 cm2 83.2 cm2 83.2 cm2 83.2 cm2 83.2 cm2

G 13 cm 12 cm 282.7 cm2 282.7 cm2 282.7 cm2 282.7 cm2 282.7 cm2 282.7 cm2 282.7 cm2 282.7 cm2

H 7 cm 4 cm 6 cm 289.0 cm2 289.0 cm2 289.0 cm2 289.0 cm2 289.0 cm2 289.0 cm2 289.0 cm2 289.0 cm2

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk