Resource Type: Lessons Discipline: Mathematics Grades: Grades 4–6 Professional Commentary: Students create, replicate, and identify patterns while using proportional reasoning to solve problems. The teacher administers a modified version of a released fourth grade NAEP item and conducts follow-up interviews with students.... 2 Million Dollar Giveaway: Measurement Resource Type: Lessons Discipline: Mathematics Grades: Grades 5–7 Professional Commentary: The prize for winning a radio contest provides the winner with up to $1,000,000 in cash. The catch is that the winner is allowed only one suitcase in which to carry away as much money as it will hold in $1 bills.... Resource Type: Lessons Discipline: Mathematics, Science Grades: Grades 3–6 Professional Commentary: Students use the ingredients of fruit salad to establish the foundation for proportional reasoning. Students are introduced to proportional reasoning through modeling, sharing, and questioning techniques.... Resource Type: Lessons Discipline: Mathematics Grades: Grades 3–6 Professional Commentary: Students use red beans, black beans, and lima beans to find solutions to word problems that can be modeled with simple equations and inequalities. There are multiple solutions to the problems involving inequalities.... 5 Hooked on Problem Solving Resource Type: Lessons Discipline: Mathematics Grades: Grades 3–6 Professional Commentary: Students use each of the digits 1–9 exactly once to form valid addition problems consisting of two three-digit addends and a three-digit sum and look for patterns in the solutions. Guiding questions, summary questions, assessment tasks, and extensions are included.... Resource Type: Lessons Discipline: Mathematics Grades: Grades 3–5 Professional Commentary: In this 8-lesson unit, teams of students plan increasingly complex trips. To put together their best travel plan, students study a map, consider different routes, visit websites to get needed information, and analyze their data.... Resource Type: Content Supports Discipline: Mathematics Grades: Grades 3–12 Professional Commentary: The site contains a virtual Tower of Hanoi puzzle. The puzzle, invented by the French mathematician Edouard Lucas in 1883, traditionally begins with eight disks stacked in increasing size on one of three pegs.... |