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Shape and Data
Objectives
To name 3D shapes and identify their properties.
Resources
Abacus Workbook 2 | ‘Feely bag’ (any bag which is not see-through) | 3D shapes (two sets) | 📄 Who am I? sheet
Vocabulary
3D shape names | straight | curved | faces | edges | vertices | vertex
Today's Lesson
What to Get Ready
Put a collection of shapes (cone, cylinder, sphere, cube, cuboid and at least one sort of pyramid) on the table.
Put an identical set of the shapes above in the feely bag.
Introduction
Before you start the lesson, watch these Recap Videos with your student.
Show your student the feely bag and the shapes on the table.
Describe one to your student, using vocabulary relating to its properties. For example: the number and shape of the faces, whether they are curved or straight, whether the shape will roll in a straight or curved line.
Your student then needs to select a shape from the table like the one you are describing.
Ask: ‘Is that the only shape that fits the description so far?’
Reveal and name the shape, then repeat with other shapes.
Ask your student to take their turn to do the same for you.
Your student may be likely to use vocabulary such as ‘pointy’, ‘round’, ‘skinny’ and ‘fat’. Do not discourage this kind of vocabulary, but prompt them, if necessary, about whether the faces are straight or curved, what shape they are and how many faces the shape has. You could say, for example, ‘I wonder what it might be. Could it be a pyramid? Why/why not?’
Repeat with other shapes.
Main Activity
Ask your student to complete the 📄 Who am I? sheet by giving clues for each of the 3D shapes.
Workbook
To help your student consolidate their learning from today, please ask them to complete the activities on page 23 of Abacus Workbook 2.