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Assessment Resource Centre (ARC)

## Mixed operations - Jerry : Grade Commentary

### Other Work Samples for:

Jerry has demonstrated a very high level of competence in using the four operations to express numbers in different ways. Combinations of the operations have been used in multi-step problems with up to five numbers. There is evidence of higher order thinking in the accurate placement of brackets to ensure the correct order of operations is followed. This work sample demonstrates characteristics of work typically produced by a student performing at grade A standard midway through Stage 3.

The student has an extensive knowledge and understanding of the content and can readily apply this knowledge. In addition, the student has achieved a very high level of competence in the processes and skills and can apply these skills to new situations.

## Foundation Statement strands

The following strands are covered in this activity:

• Working Mathematically
Students ask questions and undertake investigations, selecting appropriate technological applications and problem-solving strategies. They use mathematical terminology and some conventions and they give valid reasons when comparing and selecting from possible solutions, making connections with existing knowledge and understanding.
• Number
Students read, write and order numbers of any size, selecting and applying appropriate mental, written or calculator strategies for the four operations. They compare, order and perform calculations with simple fractions, decimals and simple percentages and apply the four operations to money in real-life situations. Students place the likelihood of simple events in order on a number line from 0 to 1.