A whole class investigation for 7-10 year olds best used with children working in groups.
Covers: Use of arrays to represent multiplication; links to multiplication triangles, factor rainbows; with possible extensions to square numbers and prime numbers.
Problem solving strategies: Work systematically, Use a table
Children love the idea of creating factor rainbows and will get totally carried away with this. And there is lots of potential for a wide-ranging mathematical discussion: which numbers have few factors? which have many? and why!?
Enjoy!
Covers: Use of arrays to represent multiplication; links to multiplication triangles, factor rainbows; with possible extensions to square numbers and prime numbers.
Problem solving strategies: Work systematically, Use a table
Children love the idea of creating factor rainbows and will get totally carried away with this. And there is lots of potential for a wide-ranging mathematical discussion: which numbers have few factors? which have many? and why!?
Enjoy!
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£2.00