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Classroom Activities Author Level Technology

Number and Operation Sense: Rational Numbers

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.
Alignment :   Standards  Textbook
  • K-5
  • TI-10
  • TI-15 Explorer™
1317

Pizza Extravaganza

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.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
1039

Making Cookies

Students will reduce a cafeteria recipe to suit a household recipe. They use compatible numbers to choose smaller measurements while retaining the original proportions.
Alignment :   Standards  Textbook
  • K-5
  • TI-15 Explorer™
1097

Meal Manager

Students will use percentages and proportional reasoning skills to solve problems.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
1014

Thrift Store Markdowns

Students will calculate a series of discounts using increasing unit fractions.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
997

What's Up?

Concepts and skills covered in this activity include writing keystroke sequences for formulas and converting between temperature scales.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
  • TI-30X IIB
  • TI-30X IIS
  • TI-30Xa
  • TI-34 II Explorer Plus™
1142

Roots

Concepts and skills covered in this activity include roots, powers of 10, and problem solving.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
  • TI-30X IIB
  • TI-30X IIS
  • TI-30Xa
  • TI-34 II Explorer Plus™
1241

Set Design

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.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
970

Stepping Stones

Students use volume formulas and proportional reasoning to calculate the amount of concrete needed to make stepping stones of a specific size.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
983

Creating Word Problems

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.
Alignment :   Standards  Textbook
  • K-5
  • TI-15 Explorer™
1174

Divisibility Rules Using Scientific Calculators

Concepts and skills covered in this activity include number theory, divisibility rules, multiples, factors, and problem-solving skills.
Alignment :   Standards  Textbook
  • 6-8
  • TI-10
  • TI-15 Explorer™
  • TI-30X IIB
  • TI-30X IIS
  • TI-30Xa
  • TI-34 II Explorer Plus™
1044

Banquet Meal

Students use proportional reasoning skills to increase a family-size recipe to a banquet-size recipe.
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
1125

Golden Rectangles

Students measure rectangles and calculate ratio between the sides. They compare the ratio to the Golden Ratio (1.618).
Alignment :   Standards  Textbook
  • 6-8
  • TI-15 Explorer™
976

Patterns, Functions, and Algebraic Reasoning

Students learn to use the calculator to generate recursive patterns. They explore the connection from patterns to functions and algebraic reasoning. Students examine the idea of a variable for an unknown quantity and express mathematical relationships using equations.
Alignment :   Standards  Textbook
  • K-5
  • TI-10
  • TI-15 Explorer™
  • TI-73 Explorer™
4950