Mathematics: Applications & Concepts, Course 2
Mathematics: Applications & Concepts, Course 2 Glencoe Online
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Group Activity Cards

Problem
  Solving

Use groups of 2.
That's Sum Triangle!

Study the figure below carefully. How can the ten numbers in the small triangles be rearranged so that the sum of the four numbers in each of the three larger triangles is 46? Use the guess-and-check strategy.

Figure

 

 
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Mathematics: Applications & Concepts, Course 2