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3D nets - making a tipi

KS2

Core National Curriculum links

DT, Maths

Other National Curriculum links

History

Main engineering principles

  • Pupils demonstrate mastery from other curriculum areas

Duration

A series of lessons

EHoMs

Visualizing

EDP stages

Plan, Create, Improve

Resources required

Basic: Sugar paper, dowelling rods, string
Extension: 14 foot pole, canvas material

Summary of activity

Visualise the 3D shape needed to cover a Native American Tipi - a practical use of 3D nets

To open the activity

Show a model of a Native American Tipi - pupils are encouraged to draw the net of the shape needed to cover their own model.

The main activity

Lesson 1:
a)    Pupils will learn how to make a small model of a Native American Tipi.
b)    They will demonstrate success when their model stands up on its own and the shape they make in the sugar paper properly covers the tipi.
c)    Key activities outline: using 6 dowelling rods and only 1 piece of string (important not to give any more string).  They will also use sugar paper to make an outline of the shape needed to cover the tipi.

Lesson 2:
a)    Pupils will learn to recognise the net of a 3D shape required to cover the tipi.
b)    They will demonstrate success when they have a covering for the tipi.
c)    Key activities outline: from the last session the pupils struggled to work out the net to make on the sugar paper.  More practice is needed to work out the right shape – help is required to show other nets and 3D shapes that might work, the answer is not obvious.  Once the shape is correct, use as a template for material and cut out material and sew hem using a sewing machine (adult supervision and risk assessment required).

Lesson 3:
a)    Pupils will learn to sew shapes onto the tipi fabric after cutting out the shape from the previous week.
b)    They will demonstrate success when the covering is fixed onto the tipi with appropriate Native American symbols.
c)    Key activities outline: research authentic symbols to cover the outside of the tipi, print them off and scale them to match the size of the material (easier said than done).  Cut them out in material and sew them onto tipi.

Lesson 4:
a)    Pupils will learn how to prepare an old tent into a replica 14' tipi.
b)    They will demonstrate success when the material is the right size and shape to cover the 4.5m poles.
c)    Key activities outline: Help to cut canvas from old tent in the right size and shape to cover the length of poles – use measuring and angles to work out correct size.

Lesson 5:
a)    Pupils will learn how to put up a 14' foot replica of a Native American Tipi.
b)    They will demonstrate success when the tipi is safely pegged out and up.
c)    Key activities outline: Use a set of instructions to carefully place the poles in correct orientation.  Use teamwork to put the canvas in to place and peg out correctly.

Challenge and support

Challenge: Once the Tipi is completed investigate and prepare the 3D nets for other Native American dwellings (Hogans, Longhouses etc)
Support: Give the pupils prepared 3D nets of simple shapes and scaffold the learning to help them discover the correct shape

To finish the activity

Display completed models and consider the nets needed for other 3D shapes.

Learn from me (what worked well for us)

Have pre cut shapes ready for demonstration. Ensure the surface used to build the model is not slippy – it is very difficult to construct the model when the poles slip about!