Ohio Resource Center

# Principles and Standards for School Mathematics

 Results 1 - 5 of 5: Return to Mathematics Expectations National Mathematics Expectation:explore what happens to measurements of a two-dimensional shape such as its perimeter and area when the shape is changed in some way.
1
Shopping Mall Math 1: Parking at the Mall
ORC# 4011
Resource Information
Resource Type: Lessons
Discipline: Mathematics
Professional Commentary: Using the recommendation that regular parking spaces at a mall should be 9'x12' and handicapped spaces (3% of the total) should be 15'x20,' students create parking spaces in the classroom and on the playground to develop a sense of area in square feet. They analyze how much the area changes as dimensions are increased....
2
Spaghetti and Meatballs for All!: A Mathematical Story
ORC# 11115
Resource Information
Resource Type: Professional Resources
Discipline: Mathematics
Professional Commentary: An entry on the Ohio Resource Center Mathematics Bookshelf, this book provides students with a real-life context for investigating variation in perimeter while area remains constant. In the story, small tables are pushed together to make one large table, until too many people show up, and the large table has to be subdivided into smaller arrangements...
3
NAEP Assessment Item, Grade 8: Find Perimeter of a Polygon
ORC# 1901
Resource Information
Resource Type: Assessments
Discipline: Mathematics
Professional Commentary: Given the lengths of three sides, students must determine which of five figures could have a total perimeter of 28. This multiple-choice question is a sample test item used in grade 8 in the 1992 National Assessment of Educational Progress (see About NAEP)....
4
NAEP Assessment Item, Grade 8: Compare Areas of Two Shapes
ORC# 1795
Resource Information
Resource Type: Assessments
Discipline: Mathematics