| Activity |
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Description |
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Grades |
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Topics |
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Software |
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Diagonals of Polygons |
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The pentagon has 4 diagonals. How many diagonals does a 13-gon have? Can you find a rule that will help you to answer the question without drawing the figure? |
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7, 8 |
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Patterns (Pre Algebra) |
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GSP |
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 |
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Dog Years |
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Hey Big Guy, Count your blessings! If you were a dog, you’d be over 100 years old. How old is the birthday person? Use the applet to figure out the answer. |
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6, 7 |
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Patterns (Pre Algebra) |
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applet |
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 |
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Jinx Puzzle 1 |
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Repeat this puzzle with a variety of rational numbers (both positive and negative.) What do you discover? Do you think this puzzle always works? (Spreadsheet version.) |
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7 |
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Patterns (Pre Algebra) |
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SS |
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 |
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Jinx Puzzle 2 |
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Repeat this puzzle with a variety of rational numbers (both positive and negative.) What do you discover? Do you think this puzzle always works? (TI calculator version.) |
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7, 8 |
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Algebra, Patterns (Pre Algebra) |
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TI Calc |
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 |
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Power of 2 |
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Paper folding problem: How many times would you need to fold a piece of paper (assuming its possible so that the number of sheets would pile high enough to reach the moon? |
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7 |
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Number Sense, Patterns (Pre Algebra) |
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SS |
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 |
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Ptomaine Fish Co. Decisions |
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Groups of students will choose the most economic fish delivery plan from 3 company’s proposals. They use a spreadsheets to come up with their recommendation to the CEO of the Ptomaine Fish Co. |
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7 |
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Patterns (Pre Algebra) |
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SS |
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