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- Grade Range
- 9th - 12th
- Rating
Students explain the use of ratios in the art of the Renaissance. They use ratios to describe proportional situations and successfully mix primary colors to get a secondary color. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students use the TI-92 to generate a sequence by determining the areas of squares inscribed in squares. They then write this sequence using the recursive form and the explicit form for the sequence. Students explore geometric patterns as they investigate the pattern determined by the areas of the square. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students determine the ratio of pairs of consecutive terms in the Fibonacci Sequence. Using four different colors, they create a golden rectangle in either two or three dimensions. They use photographs to create two collages using different geometric patterns. Full Review »
- Grade Range
- 9th
- Rating
Students work with their class to find an algebraic rule for a number sequence. After students are firm on this, and have worked several examples, they work independently on a "Banquet Table" problem. Other problems are presented such as the areas of trains, the "handshake" problem and Fibonacci sequence. Full Review »
- Grade Range
- 5th
- Rating
Students are introduced to convergence of sequences based on averaging previous terms in the sequence. The power of the "fill-down" function in spreadsheets is exploited. By using various starting numbers, and inferring the limit, students are encouraged to make generalizations of formulae for the convergence of sequences using arbitrary starting numbers. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students investigate the concept of number patterns. They practice recognizing various forms of them. Students solve different problems using multiples of different numbers. The multiples are then explained to be in a sequence. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students encounter the skills of Fibonacci sequence. They realize that nature loves patterns! A pattern being a shape that is repeated. In science and nature that is called a Fibonacci sequence. It's the one special mathematical pattern that is seen to occur in hundreds of places in nature--pine cones, seashells, etc. and even reproductive patterns. Full Review »
- Grade Range
- 7th - 8th
- Rating
Students use the Fibonacci sequence to solve problems. They describe patterns and predict larger numbers. From given problems, students predict the future numbers that will appear in a sequence. Students create charts to support their findings. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students investigate the concepts that are part of a unit on ocean drifters and the web of life. The unit focuses on the characteristics necessary for maintaining a place in the food web. Students work with multi-media, including the "Puget Sound" CD, the video NOVA: Kingdom of the Seahorse, and related internet and classroom lab activities. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students study patterns and use inductive reasoning to write a linear or quadratic equation for the sequence. Using a graphing calculator, they enter data into a list and set up a scatter plot. After analyzing the collected data, students find a recursive formula for triangular and pentagonal numbers. Full Review »
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