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  • Common Core State Standards Math
Rational Number Project: Initial Fraction Ideas
Rational Number Project: Initial Fraction Ideas
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The Rational Number Project (RNP) advocates teaching fractions using a model that emphasizes multiple representations and connections among different representations.

Initial Fraction Ideas include developing meaning for fractions using a part-whole model, constructing informal ordering strategies based on mental representations for fractions, creating meaning for equivalence concretely, and adding and subtracting fractions using concrete models. Initial Fraction Ideas do not include formal algorithms, and instruction with formal algorithms was not part of this original RNP curriculum module.

Subject:
Mathematics
Material Type:
Activity/Lab
Assessment
Homework/Assignment
Lesson Plan
Teaching/Learning Strategy
Provider:
Maryland Public Television
University of Minnesota
Provider Set:
Mathlanding: Elementary Mathematics Pathway
Author:
Kathleen Cramer
Merlyn Behr
Richard Lesh
Thomas Post
Date Added:
11/05/2009
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Talking About Math: Sharing Strategies
Talking About Math: Sharing Strategies
Rating

Sara and Carlos give us their take on mental math, student-led solutions, and class culture in Jen Sauls class. Carlos talks about what it feels like to present a solution in front of the class.

Subject:
Computing and Information
Education
Life Science
Mathematics
Chemistry
Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
Maryland Public Television
Teaching Channel
Provider Set:
Mathlanding: Elementary Mathematics Pathway
Teaching Channel
Author:
Gary Weimberg
Date Added:
11/05/2012
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Gifts from Grandma, Variation 1
Conditions of Use:
No Strings Attached
Gifts from Grandma, Variation 1
Rating

The first of these word problems is a multiplication problem involving equal-sized groups. The next two reflect the two related division problems, namely, "How many groups?" and "How many in each group?"

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
11/26/2012
MoreLess
F-IF Hoisting the Flag 1
Conditions of Use:
No Strings Attached
F-IF Hoisting the Flag 1
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Functions
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/06/2015
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Acid Attack
Conditions of Use:
Read the Fine Print
Acid Attack
Rating

In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers are doing to reduce the effects of acid rain.

Subject:
Engineering
Chemistry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Jessica Todd
Malinda Schaefer Zarske
Melissa Straten
Date Added:
10/14/2015
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5.OA Sidewalk Patterns
Conditions of Use:
No Strings Attached
5.OA Sidewalk Patterns
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/06/2015
MoreLess
2.MD Frog and Toad on the number line
Conditions of Use:
No Strings Attached
2.MD Frog and Toad on the number line
Rating

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: One day, Frog and Toad were sitting together on a lily pad. Some lily pads were in a line across the pond. In the morning, Frog hopped three lily pads ...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
03/16/2013
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Irrational Numbers on the Number Line
Conditions of Use:
No Strings Attached
Irrational Numbers on the Number Line
Rating

When students plot irrational numbers on the number line, it helps reinforce the idea that they fit into a number system that includes the more familiar integer and rational numbers.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
MoreLess
Body Matches
Conditions of Use:
Read the Fine Print
Body Matches
Rating

In this video from Cyberchase, the CyberSquad searches for a kidnapper using their only clues: a footprint and a handprint. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Mathematics
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
U.S. Department of Education
WNET
Date Added:
09/09/2008
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A Simple Balance
Conditions of Use:
Read the Fine Print
A Simple Balance
Rating

In this video segment from Cyberchase, Digit and the CyberSquad learn that equations are balanced when the same number is on each side. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Mathematics
Algebra
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
U.S. Department of Education
WNET
Date Added:
07/10/2008
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What Fraction of this Shape is Red?
What Fraction of this Shape is Red?
Rating

Students create patterns using pattern blocks. Then they pose a question to their peers like, öWhat fraction of my shape is red?’– Students describe their answers geometrically, verbally, and in writing.

Subject:
Education
Mathematics
Geometry
Material Type:
Lesson Plan
Simulation
Teaching/Learning Strategy
Provider:
Maryland Public Television
Teaching Channel
Provider Set:
Mathlanding: Elementary Mathematics Pathway
Teaching Channel
Date Added:
11/05/2011
MoreLess