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SolveMe Mobiles from the US National Science Foundation invites students to play with virtual mobiles: balanced structures with hidden values for the weights. These interactive puzzles help develop algebraic and problem-solving skills.
|Year level(s)||Year 2, Year 3, Year 4, Year 5, Year 6, Year 7|
|Purpose||Student task, Home practice tasks|
|Teaching strategies and pedagogical approaches||Concrete Representational Abstract model|
|Keywords||algebra, balance beam, unknowns|
|Strand and focus||Algebra, Build understanding|
|Topics||Algebraic expressions, Patterns and algebra|
|AC: Mathematics (V9.0) content descriptions||
Recognise and use variables to represent everyday formulas algebraically and substitute values into formulas to determine an unknown
Recognise and use rules that generate visually growing patterns and number patterns involving rational numbers
Find unknown values in numerical equations involving multiplication and division using the properties of numbers and operations
Find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
Recognise, describe and create additive patterns that increase or decrease by a constant amount, using numbers, shapes and objects, and identify missing elements in the pattern
Number patterns and algebraic thinking (P3, P4, P5, P6)
Multiplicative strategies (P7)
Additive strategies (P7, P8)
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