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# Pobble arrays: make multiples

TLF ID L2056

Help creatures to line up and walk through gates. Make equal rows and columns. For example, start with 17 pobbles. Predict whether the number can be divided into an equal number of rows. If not, add or subtract pobbles to make a number that will work. Check your prediction. This learning object is one in a series of three objects.

#### Educational details

Key learning objectives
• Students apply knowledge of factors and multiples to solve problems.
• Students apply the commutative property of multiplication.
Educational value
• Helps students to develop and consolidate knowledge of basic number facts that underlie effective multiplicative thinking.
• Automated array construction provides a visual model to support understanding of the multiplicative relationship between factors.
Year level

4; 5

Learning area
• mathematics
Strand
• Mathematics/Number and algebra
Concept
• Mathematics/Multiples
• Mathematics/Multiplication
• Mathematics/Factors
• Mathematics/Guess-Check-Improve
• Mathematics/Arithmetic
• Mathematics/Division
Skill
• Knowledge;
• Comprehension;
• Application
Student activity
• Interactives;
• Experiment;
• Analysis;
• Modelling
Learning design
• Experiential learning;
• Independent learning;
• Problem solving;
• Visual learning

#### Other details

Contributors
• Script writer
• Name: Erica Dale
• Organisation: Tungaroo Software
• Address: Manly NSW 2095 Australia
• Subject matter expert
• Name: Jenni Way
• Address: Springwood NSW 2777 Australia
• Technical implementer
• Educational validator
• Publisher
• Date of contribution: 20 Sep 2013
• Organisation: Education Services Australia
• Address: Melbourne VIC 3000 Australia
• URL: http://www.esa.edu.au/
Access profile
• Colour independence
• Device independence
• Hearing independence
Learning resource type
• Interactive Resource
Browsers
• Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
• Firefox - minimum version: (MS-Windows)
• Safari - minimum version: 5.1 (MacOS)
Operating systems
• MacOS - minimum version: 10.6
• MS-Windows - minimum version: XP - maximum version: 7
Rights
• © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.