Balancing Act Problems such as those in this activity help develop what students already know in preparation for...

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GENERAL INFORMATION

Title:	Balancing Act
Resource ID:	723
URL:	http://illuminations.nctm.org/LessonDetail.aspx?id=L166
Resource Description:	Problems such as those in this activity help develop what students already know in preparation for writing equations and learning ways to solve for variables. Students use mathematical models to explore quantitative relationships. When presented with pictures of pan balances with one or more objects in each pan, they communicate relationships between the weights of the objects by comparing the balanced and unbalanced pans.

Instructional Component Type(s):

Lesson Plan (Primary Type), Worksheet, Virtual Manipulative

Keywords:

pan balance, equality, equation, quantitative relationship, equal weight, add the same,

Intended Audience:

Educators, Students

Suggested Technology:

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

Resource Collection:

CPALMS

RELATED STANDARDS (1)

» MA.2.A.4.4: Describe and apply equality to solve problems, such as in balancing situations.
Cognitive Complexity: High l Date Adopted or Revised: 09/07
Belongs to: Algebra

Related Instructional Resources » More Information »

RELATED ACCESS POINTS (5)

» MA.2.A.2.In.c:	Solve real-world problems involving addition facts with sums to 10 and related subtraction facts, including money, measurement, geometry, and other problem situations. Related Instructional Resources » More Information »
» MA.2.A.2.Su.c:	Solve real-world problems involving addition facts with sums to 5 and related subtraction facts using sets of objects. Related Instructional Resources » More Information »
» MA.2.A.4.In.c:	Identify equal and unequal sets of objects and pictures to 20. Related Instructional Resources » More Information »
» MA.2.A.4.Pa.b:	Use one-to-one correspondence to identify sets of objects with the same amount to 2. Related Instructional Resources » More Information »
» MA.2.A.4.Su.c:	Use one-to-one correspondence to identify sets of objects with the same number to 5. Related Instructional Resources » More Information »

PEDAGOGY

Subject:	NGSSS: Mathematics
Grade Level(s):	2

Nature of Instruction:

Direct Instruction

Instructional Time:

1 Hour(s)

SOURCE & ACCESS INFORMATION

Name of Author/Source:	Illuminations National Council of Teachers of Math
Resource recommended by:	Susan Cornwell
Web Address of Author/Source:	http://illuminations.nctm.org
Is this Resource freely Available?	Yes
Access Privileges:	Public

* Please note that examples of resources are not intended as complete curriculum.

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