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Channel Talk

From: Roxanne Ditrolio (ditrolir@seekonk.k12.ma.us)
Date: Sat May 01 2004 - 06:17:00 EDT

  • Next message: Roxanne Ditrolio: "[Channel-talkmeasurement] Session 10 - Problem Responses A3 & B5"

    Thanks for your response. My school district just adopted the
    Investigations series. We are using MathThematics at the middle school
    level.

    >>> rtpoon@seattleschools.org 04/29/04 15:29 PM >>>
    Third grade unit - Exploring Solids and Boxes from "Investigations in
    Number, Data and Space" provides opportunities for students to explore
    surface area and/or volume. Investigation 3: Making Boxes, and
    Investigation 4: How Many Cubes in a Box?

    -----Original Message-----
    From: channel-talkmeasurement-bounces@learner.org
    [mailto:channel-talkmeasurement-bounces@learner.org]On Behalf Of Roxanne
    Ditrolio
    Sent: Wednesday, April 28, 2004 2:23 PM
    To: channel-talkmeasurement@learner.org
    Subject: [Channel-talkmeasurement] Surface Area & Volume

    Some of my middle school students have trouble keeping surface area and
    volume straight. Earlier this year, my students were assigned a problem
    in which they were supposed to determine the number of unit cubes in a 3
    x 3 x 3 cube. They were given a drawing and could make and use models
    to help them solve the problem. Most of the students came up with 27
    cubes, but some had an answer of 54 cubes, even after making and using a
    model. (54 sq. units is the surface area, not the volume.) At what age
    should students have experiences with surface area? If you teach
    elementary school, do your students have opportunities to explore
    surface area and/or volume? Do you have any tips on how to help
    students with these two measurement concepts?

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