Algebra arrays

Algebra arrays

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
a) Fill in the squares in the box below so that
  •   the numbers across each row sum to the total at the end of the row, and
•   the numbers down each column also sum to the total at the bottom of the column.
   
Only the numbers 1 to 7 can be used. A number can be used more than once.
  

Total   

b)		  
Fill in the squares in the box below so that
  •   each row adds to 3x + 3y, and
•   each column also adds to 3x + 3y.
         Total
  
  
  
Total
Task administration: 
This task is completed with pencil and paper only.
Level:
5
Curriculum info: 
Maths, Number and Algebra, Equations and expressions
Key Competencies: 
Thinking
Keywords: 
linear equations, algebraic expressions, problem solving, arrays
Description of task: 
Students complete 3 x 3 addition arrays by using whole numbers and algebraic expressions.
Curriculum Links: 

Key competencies

This resource involves identifying and implementing strategies to solve multistep problems. This relates to the Key Competency:Thinking.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Using symbols and expressions to think mathematically, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 
Y10 (09/1998)
a) easy
b) easy