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Direct linkLancaster, Ron – Mathematics Teacher, 2016
Can you solve the following Problem? There are 200 fish in an aquarium, and 99 percent of them are guppies. How many guppies must be removed to reduce the tank's guppy population to 98 percent? The key to this problem is to work backward by using the data given in figure 2 to determine the surface area of the top of the aquarium; then determine…
Descriptors: Mathematics Instruction, Problem Solving, Word Problems (Mathematics), Equations (Mathematics)
Hansen, Karen M.; Lewis, Geoffrey J. – Mathematics Teacher, 2007
This article offers an engaging application that adds meaning to the binomial theorem. (Contains 8 figures.)
Descriptors: Mathematical Formulas, Mathematics Instruction, Graphing Calculators, Geometric Concepts
Moss, Laura J.; Grover, Barbara W. – Mathematics Teaching in the Middle School, 2007
Simple nongraphing calculators can be powerful tools to enhance students' conceptual understanding of mathematics concepts. Students have opportunities to develop (1) a broad repertoire of problem-solving strategies by observing multiple solution strategies; (2) respect for other students' abilities and ways of thinking about mathematics; (3) the…
Descriptors: Worksheets, Educational Strategies, Problem Solving, Calculators
