Writing expressions
0
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Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about describing algebra expressions using words.
The expression 3a2 + 2a can be written in words as:
- Square a
- Multiply this number by 3
- Multiply a by 2
- Add the number in ii) to the number in iii)
Task administration:
This task can be completed with pen and paper or online (with NO auto marking).
Level:
5
Curriculum info:
Keywords:
Description of task:
Students describe algebraic expressions in words.
Learning Progression Frameworks
This resource can provide evidence of learning associated with within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.Answers/responses:
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Y10 (10/00) |
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1 mark |
a) |
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moderate |
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2 marks |
b) |
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2 marks - difficult |
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2 marks |
c) |
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2 marks - very difficult 1 mark - difficult |
NOTES:
- The role of the brackets must be explicit. For example, "4 times t plus 3" is incorrect.
- Multiplying by ⁻1 and adding is equivalent to multiplying by 1 and subtracting.
- Accept statements which use expressions like "3t" instead of specifying "3 times t" in full.
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