Download Covering and Surrounding: Two-Dimensional Measurement: by Glenda Lappan, James T Fey, William M Fitzgerald, Susan N PDF

By Glenda Lappan, James T Fey, William M Fitzgerald, Susan N Friel, Elizabeth Difanis Phillips

Teacher's advisor

Show description

Read or Download Covering and Surrounding: Two-Dimensional Measurement: Teacher's Guide: Connected Mathematics PDF

Best mathematics books

Introduction to Siegel Modular Forms and Dirichlet Series (Universitext)

Creation to Siegel Modular types and Dirichlet sequence provides a concise and self-contained advent to the multiplicative conception of Siegel modular types, Hecke operators, and zeta capabilities, together with the classical case of modular kinds in a single variable. It serves to draw younger researchers to this pretty box and makes the preliminary steps extra friendly.

Dreams of Calculus Perspectives on Mathematics Education

What's the dating among sleek arithmetic - extra accurately computational arithmetic - and mathematical schooling? it truly is this controversal subject that the authors deal with with an in-depth research. in reality, what they found in a very well-reasoned account of the advance of arithmetic and its tradition giving concrete advice for a much-needed reform of the instructing of arithmetic.

Additional info for Covering and Surrounding: Two-Dimensional Measurement: Teacher's Guide: Connected Mathematics

Sample text

Suppose you fold over the top 4 of the square. What new shape do you have? What are the lengths of the shape’s four sides in meters? What is the perimeter? 1 d. Suppose you fold over only the top 8 of the square. What new shape do you have? What are the lengths of the shape’s four sides in meters? What is the perimeter? e. What do you predict for the perimeter of the shape if you fold 1 over 16 of the square? qxd 5/16/05 11:51 AM Page 36 In this investigation, you examined how shapes with the same perimeter can have different areas and how shapes with the same area can have different perimeters.

1. Find the area of each rectangle. Record your data in a table with columns labeled for the triangle name, the area of the rectangle, and the area of the triangle. 2. Use the data in your table. Compare the area of the rectangle and the area of the triangle. Describe a pattern that tells how the two are related. C. Use your results from Question B. Write a rule to find the area of a triangle. Homework starts on page 44. 2 More Triangles Base and height are two words that describe triangles. The base of a triangle can be any one of the sides of the triangle.

Draw each triangle on a separate grid. A. 1. Sketch a right triangle with a height of 4 centimeters. 2. Sketch a different right triangle with a height of 4 centimeters. 3. Sketch an isosceles triangle with a height of 4 centimeters. 4. Sketch a scalene triangle with a height of 4 centimeters. 5. Find the area of each triangle that you made. qxd 5/16/05 11:54 AM Page 43 B. 1. What do these four triangles have in common? 2. Why do you think these four triangles can be called a triangle family? C.

Download PDF sample

Rated 4.03 of 5 – based on 45 votes