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Spotty Octopus


End of Kindergarten
At the expected standard Casey   Lee  
Below the expected standard Eden   Marley  

Foundation Statement strands

The following strands are covered in this activity:

Working Mathematically, Number

Description of activity

Students are presented with the following scenario:

‘A spotty octopus has 8 legs. Altogether there are 16 spots on his legs. Each leg has the same number of spots. How many spots are on each leg?’

They use a drawing to solve the problem and record their answer.

The suggested time for this activity is 20 minutes.

Suggested materials

Blank paper, pencils/crayons
Optional: computer drawing program

Prior learning

Students have had practice rote counting and counting groups of objects using one-to-one correspondence. They have had experience grouping and sharing collections of objects and recording informally. The teacher has modelled problems for students to solve using everyday language.

Office of the Board of Studies NSW, Mathematics K–6 Sample Units of Work, p 21

Outcomes

Whole Numbers (NES1.1)
Counts to 30, and orders, reads and represents numbers in the range 0 to 20
Multiplication and Division (NES1.3)
Groups, shares and counts collections of objects, describes using everyday language and records using informal methods
Applying Strategies (WMES1.2)
Uses objects, actions, imagery, technology and/or trial and error to explore mathematical problems
Communicating (WMES1.3)
Describes mathematical situations using everyday language, actions, materials, and informal recordings

Criteria for assessing learning

Students will be assessed on their ability to:

  • record grouping/sharing informally using pictures
  • represent the information in a problem by drawing a picture
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