Work Sample : Bobby

Activity : Hidden number

    Hidden number - Bobby : Grade Commentary

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Bobby has demonstrated a thorough understanding of number patterns and the organisation of a hundreds chart. The hidden number has been correctly identified and a number of strategies have been described and used, but the reasons sometimes lack clarity. Appropriate mathematical language has been used to explain the answers. This work sample demonstrates characteristics of work typically produced by a student performing at grade B standard at the end of Stage 1.

Grade B

The student has a thorough knowledge and understanding of the content and a high level of competence in the processes and skills. In addition, the student is able to apply this knowledge and these skills to most situations.

Full list of grade descriptions

Foundation Statement strands

The following strands are covered in this activity:

  • Working Mathematically
    Students ask questions and use objects, diagrams and technology to explore mathematical problems. They link mathematical ideas and use everyday language, some mathematical language and diagrams to explain how answers were obtained.
  • Number
    Students count, order, read and write numbers up to 999 and use a range of mental strategies, informal recording methods and materials to add, subtract, multiply and divide. They model and describe objects and collections divided into halves and quarters. Students sort, order and count money and recognise and describe the element of chance in familiar activities.
  • Patterns and Algebra
    Students describe, create and continue a variety of number patterns and relate addition and subtraction facts to at least 20.
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