1 Multiplying Integers Using Videotape Resource Type: Lessons Discipline: Mathematics Grades: Grade 7 Professional Commentary: In this lesson, multiplication of integers is presented in a format that encourages understanding, not simply rote memorization of rules. Using the rewinding of a videotape to represent negative time, students convince themselves that a negative rate times a negative time yields a positive distance.... Resource Type: Lessons Discipline: Mathematics Grades: Grades 6–8 Professional Commentary: In this lesson, students use a 10 x 10 grid to solve various types of percent problems. The grid model offers a means of visualizing the given information as well as suggesting different approaches to solving problems.... 3 Shopping Mall Math 2: Shops at the Mall Resource Type: Lessons Discipline: Mathematics Grades: Grade 7 Professional Commentary: Given recommended allocations of square footage for different types of stores in a mall, students compute the area devoted to each type of store in a mall of one million square feet. They construct a scale drawing of the proposed shopping mall.... 4 Nutrients by the Numbers: Using Math to Explore Nutrition Resource Type: Lessons Discipline: Mathematics Grades: Grades 6–7 Professional Commentary: Students strengthen their percentage and fraction skills by comparing the nutritional values of similar food products. They individually calculate their own daily intake of various nutrients and compare their diets to recommended daily percentages.... 5 ODE Assessment Item, Grade 7: When Temperature Dropped Most Resource Type: Assessments Discipline: Mathematics Grades: Grade 7 Professional Commentary: Students must subtract integers to find the greatest temperature drop in a table of values. This multiple-choice question is a sample item used in the 2008 Ohio Grade 7 Achievement Test (see Overview of Ohio's Assessment System). The URL link (above) takes the user directly to the OAT item (PDF), with access to performance data, complexity level of the item,... 6 NAEP Assessment Item, Grade 8: Multiply Two Negative Integers Resource Type: Assessments Discipline: Mathematics Grades: Grades 5–8 Professional Commentary: Students must identify the product of two negative numbers. This multiple-choice question is a sample test item used in grade 8 in the 1996 National Assessment of Educational Progress (see About NAEP).... 7 NAEP Assessment Item, Grade 8: Divide a 3-digit number by a 2-digit number Resource Type: Assessments Discipline: Mathematics Grades: Grades 4–8 Professional Commentary: Students must divide a 3-digit number by a 2-digit number without the use of a calculator. This constructed-response question is a sample test item used in grade 8 in the 2003 National Assessment of Educational Progress (see About NAEP).... 8 NAEP Assessment Item, Grade 8: Find Amount of Restaurant Tip Resource Type: Assessments Discipline: Mathematics Grades: Grades 6–8 Professional Commentary: Students must identify the number closest to 15% of a given amount of money. This multiple-choice question is a sample test item used in grade 8 in the 1996 National Assessment of Educational Progress (see About NAEP).... 9 NAEP Assessment Item, Grade 8: Subtract Integers Resource Type: Assessments Discipline: Mathematics Grades: Grades 6–8 Professional Commentary: Students must find the difference in height between the top of a mountain and a point below sea level. They have the option of using a calculator.... 10 NAEP Assessment Item, Grade 8: Use Percent Increase Resource Type: Assessments Discipline: Mathematics Grades: Grades 6–8 Professional Commentary: This item asks students to distinguish between absolute and relative increase and explain how these ideas are reflected in a problem context. They have the option of using a calculator.... |