Comparing Connection Cubes Students explore five models of subtraction (counting, sets, number line, balanced equations, and...

Help?
My Notifications
- My Notifications - Change Notification Settings
  You should be logged in to setup custom resource notifications.Click here to login and change the settings and preferences to start receiving notifications about new resources that match your interests.You can receive notifications right here, in email, and through a web widget. Click here to get started now.
  A total of related notifications were found.
  
  Order by:
  
  select
  
  New to old
  Unread then read
  Resource type
  
  No notifications were found.

User Name:	*
Password:	*
Remember Me?	check to save your credentials.

Forgot Password? l Create An Account

You are currently logged in. Click here to logout.

My Resources:
» Create/Submit a Resource
» My Resource Contributions
» My Professional Development Programs

My Settings:
» My Account Homepage
» My Profile Settings
» Change my Password
» Modify My Resource Notifications
» Create/Modify My Resource Widgets

Resource Preview

Enhancement/Differentiation Preview

Original Resource

Collapse All

GENERAL INFORMATION

Title:	Comparing Connection Cubes
Resource ID:	158
URL:	http://illuminations.nctm.org/LessonDetail.aspx?ID=U41
Resource Description:	Students explore five models of subtraction (counting, sets, number line, balanced equations, and inverse of addition) using connecting cubes. The lessons focus on the comparative mode of subtraction. In them, children explore the relationship between addition and subtraction, write story problems in which comparison is required, and practice the subtraction facts. The unit consists of lessons that build on and extend early understandings about counting, addition, and subtraction in the comparative mode.

Instructional Component Type(s):

Unit / Lesson Sequence (Primary Type), Worksheet, Virtual Manipulative, Educational Game

Keywords:

subtraction, compare, number line, additive identity,difference, addend, story problem, number sentence, sum, addition,

Intended Audience:

Educators, Students

Suggested Technology:

Computer for Presenter, Computers for Students, Internet Connection, LCD Projector

Public Remarks:

By Author/Submitter
References to counting books (pick two for lesson 1):

Bang, Mollie. Ten, Nine, Eight. New York: Greenwillow, 1983.
Christelow, Eileen. Five Little Monkeys Jumping on the Bed. New York: Scholastic, 1989.
McGrath, Barbara Barbieri. The M&M’s Counting Book. New York: Scholastic, 1994.
Morozumi, Atsuko. One Gorilla. New York: Trumpet Club, 1990.
Wise, William. Ten Sly Piranhas. New York: Dial, 1993.

Reference to book for lesson 5:

Williams, Rozanne Lanczak. Ten Monsters in Bed. Huntington Beach, California: Creative Teaching Press, 1995.

See also “Involvement” in the Access Points PD Modules under "Support" Tab of www.floridastandards.org

Resource Collection:

CPALMS

RELATED STANDARDS (5)

» MA.1.A.1.1: Model addition and subtraction situations using the concepts of "part-whole," "adding to," "taking away from," "comparing," and missing addend."
Cognitive Complexity: Moderate l Date Adopted or Revised: 09/07
Belongs to: BIG IDEA 1