Video/3D shapes

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The following video clips are from a lesson on 3D shapes in Grade 7, at Luzuko Primary School. They were filmed in March 2012.

1 About Luzuko Primary School

In 2012, the situation of the school was as follows: The socio-economic level of the school is at a low level with high unemployment in the Guguletu township. Many learners stay with their grandparents and their parents have disappeared from the scene. Those parents who do earn a salary usually have a drinking problem. The mothers usually keep on drinking during pregnancy and the learners suffer at school because of that. The school is a quintile 3 school receiving food parcels from the nutritional programme of the Western Cape Education Department (WCED) (c.f. click here to see more about the meaning of 'quintile'). There are significant health issues, and many learners have poor concentration ability. These issues also apply to Masiphumelele Primary School.

The school was built in the 1960s. There are 408 learners in the school that was built for 600 learners. The school goes from Grade R to Grade 7. The Grade R class is not well equipped. The Grade 1 teacher left the teaching profession and the WCED will not supply another teacher to the school because of the dwindling numbers.

English is presented to the learners as a second language. English is not often spoken outside of the classroom. During break-time and after school the learners speak Xhosa – it is just seen as a school subject. Lessons are taught in English from Grade 4 onward with some code switching. All public tests are in English.

2 About the lesson

The lesson is about investigating a particular property of 3D shapes, namely the relationship between the number of vertices, edges, and faces (sometimes referred to as Euler's relation). Learners make shapes from nets (provided as cardboard nets) and cut out shapes from a worksheet. They then record the number of vertices, edges, and faces of each shape, and draw conclusions.

3 Watch all videos

Use the "playlist" button in the top right or the "|<" and ">|" to skip through the playlist.

4 Video list

Wiki pageTitleDescriptionDurationSeriesEpisodeProject
Video/Noxolo 3D Shapes 1.1-3.mp4Creating 3D objects demonstrationNoxolo demonstrates how to create 3D objects using nets00:55Video/3D shapes03OER4Schools
Video/Noxolo 3D Shapes 1.1-4-5.mp4Learners create 3D objectsLearners start to create 3D objects using nets printed on paper and pieces of cardboard01:42Video/3D shapes04OER4Schools
Video/Noxolo 3D Shapes 1.1-6.mp4Pair work creating 3D objectsThe learners are working in pairs to create the 3D objects. Noxolo moves around the room helping where needed01:31Video/3D shapes06OER4Schools
Video/Noxolo 3Dshapes 1.2-10.m4vIntroducing a net diagram activityIntroducing an activity. Noxolo is setting up the activity for students to identify which net diagram goes with which and finding the properties of each (faces/vertices/edges).4:45Video/3D shapes10OER4Schools
Video/Noxolo 3D Shapes 1.1-19B.mp4Learners correct their answersThe two learners now correct their previous answer now that they know how to calculate the number of edges. They proceed to find another pair of matching nets, and record the number of faces.02:46Video/3D shapes10OER4Schools
Video/Noxolo 3D Shapes 1.1-11.mp4Introducing 3D object main activityNoxolo introduces the main task which involves joining two parts of a net together to create one single 3D object. She also discusses the key terminology that will be used to compare the objects that will be created.02:41Video/3D shapes11OER4Schools
Video/Noxolo 3D Shapes 1.1-12.mp4Learners identify matching pairsNoxolo works with one group of learners to see if they have identified correct matching pairs. The learners are encouraged to make and justify their own predications, and then test for themselves02:20Video/3D shapes12OER4Schools
Video/Noxolo 3D Shapes 1.1-15.mp4Identifying potential mistakesNoxolo briefly interrupts the class to identify a potential mistake groups might make00:33Video/3D shapes15OER4Schools
Video/Noxolo 3D Shapes 1.1-17.mp4Naming shapes discussionThe class have been briefly asked to stop their activity to have a brief discussion on naming shapes. The teacher asks questions to help learners name different types of prisms.02:31Video/3D shapes17OER4Schools
Video/Noxolo 3D Shapes 1.1-18.mp4Small groups test predictionsNoxolo is talking to one small group of learners who are struggling to match one of the last pairs of nets. She encourages the learners to make their own predictions and test. The teacher decides that as the group are quite advanced that they should be split up to help other groups instead.01:51Video/3D shapes18OER4Schools
Video/Noxolo 3D Shapes 1.1-19A.mp4Learner helps two othersOne learner helps two others to calculate and record the number of edges a particular object has.00:32Video/3D shapes19OER4Schools