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Classroom Activities
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Author
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Level
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Technology
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Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal forms for rational numbers.
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- TI-10
- TI-15 Explorer™/TI-10
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1335
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Students will conduct a survey of the class to determine favorite pizza toppings. They use this sample information to predict the preferred toppings for the school and use the TI-15 to help them with the calculations to plan a school-wide pizza party.
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- TI-15 Explorer™/TI-10
- TI-10
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1056
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Students will use percentages and proportional reasoning skills to solve problems.
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- TI-15 Explorer™/TI-10
- TI-10
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1022
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Students will reduce a cafeteria recipe to suit a household recipe. They use compatible numbers to choose smaller measurements while retaining the original proportions.
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- TI-15 Explorer™/TI-10
- TI-10
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1107
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Students will calculate a series of discounts using increasing unit fractions.
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- TI-15 Explorer™/TI-10
- TI-10
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1006
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Concepts and skills covered in this activity include writing keystroke sequences for formulas and converting between temperature scales.
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- TI-15 Explorer™/TI-10
- TI-30 X IIS™ / TI-30Xa
- TI-10
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1208
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Students will use similarity concepts, and the dimensions of the carvings on Mt. Rushmore to create a proportional representation of the carvings for a stage backdrop.
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- TI-15 Explorer™/TI-10
- TI-10
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971
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Concepts and skills covered in this activity include roots, powers of 10, and problem solving.
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- TI-15 Explorer™/TI-10
- TI-30 X IIS™ / TI-30Xa
- TI-10
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1311
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Students use volume formulas and proportional reasoning to calculate the amount of concrete needed to make stepping stones of a specific size.
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- TI-15 Explorer™/TI-10
- TI-10
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985
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Students write word problems based on the whole numbers generated by the calculator. They decide on an operation to solve the problems. Finally, they analyze the problems to determine the problem characteristics when using operations on whole numbers.
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- TI-15 Explorer™/TI-10
- TI-10
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1177
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Concepts and skills covered in this activity include number theory, divisibility rules, multiples, factors, and problem-solving skills.
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- TI-10
- TI-15 Explorer™/TI-10
- TI-30 X IIS™ / TI-30Xa
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1100
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Students use proportional reasoning skills to increase a family-size recipe to a banquet-size recipe.
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- TI-15 Explorer™/TI-10
- TI-10
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1129
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Students measure rectangles and calculate ratio between the sides. They compare the ratio to the Golden Ratio (1.618).
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- TI-15 Explorer™/TI-10
- TI-10
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977
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Students will predict how many of each color will be in one pack of skittles before they open the package. Once they open the package, they will determine how close their predictioins are to the actual amount. Students then will come up with ratios and averages.
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- TI-10
- TI-15 Explorer™/TI-10
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0
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