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Use the numbers 1 to 5 and place these in the arms of the V so that they both have{...}

Halves and Quarters with Pegs and  String Halves:  Work in groups of 3. Two students hold the ends of a{...}

You are the designer of a chocolate company.  Pick a number 8, 12, 16, 20, 24, 36, 48, 56 How{...}