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Arithmetic Operations: Multiplying Decimals 1
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The real world is seldom about whole numbers. If you precisely measure anything, you're likely to get a decimal. If you don't know how to multiply these decimals, then you won't be able to do all the powerful things that multiplication can do in the real world (figure out your commission as a robot possum salesperson, determining how much shag carpet you need for your secret lair, etc.). Common Core Standards: 5.NBT.B.5, 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Multiplying Decimals 2
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CC BY-NC
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The real world is seldom about whole numbers. If you precisely measure anything, you're likely to get a decimal. If you don't know how to multiply these decimals, then you won't be able to do all the powerful things that multiplication can do in the real world (figure out your commission as a robot possum salesperson, determining how much shag carpet you need for your secret lair, etc.). Common Core Standards: 5.NBT.B.5, 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Multiplying Decimals 4
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CC BY-NC
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The real world is seldom about whole numbers. If you precisely measure anything, you're likely to get a decimal. If you don't know how to multiply these decimals, then you won't be able to do all the powerful things that multiplication can do in the real world (figure out your commission as a robot possum salesperson, determining how much shag carpet you need for your secret lair, etc.). Common Core Standards: 5.NBT.B.5, 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Multiplying Decimals 5
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CC BY-NC
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The real world is seldom about whole numbers. If you precisely measure anything, you're likely to get a decimal. If you don't know how to multiply these decimals, then you won't be able to do all the powerful things that multiplication can do in the real world (figure out your commission as a robot possum salesperson, determining how much shag carpet you need for your secret lair, etc.). Common Core Standards: 5.NBT.B.5, 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Multiplying Decimals 6
Conditional Remix & Share Permitted
CC BY-NC
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The real world is seldom about whole numbers. If you precisely measure anything, you're likely to get a decimal. If you don't know how to multiply these decimals, then you won't be able to do all the powerful things that multiplication can do in the real world (figure out your commission as a robot possum salesperson, determining how much shag carpet you need for your secret lair, etc.). Common Core Standards: 5.NBT.B.5, 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Subtracting Decimals Example 1
Conditional Remix & Share Permitted
CC BY-NC
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Anything you can do with whole numbers, you can do with decimals. Subtraction is no exception. In this tutorial, you'll get some good practice subtracting decimals! Common Core Standard: 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic Operations: Subtracting Decimals Example 2
Conditional Remix & Share Permitted
CC BY-NC
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Anything you can do with whole numbers, you can do with decimals. Subtraction is no exception. In this tutorial, you'll get some good practice subtracting decimals! Common Core Standard: 5.NBT.B.7

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Homework/Assignment
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan
Salman
Date Added:
06/25/2014
Arithmetic for College Students
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This course is an arithmetic course intended for college students, covering whole numbers, fractions, decimals, percents, ratios and proportions, geometry, measurement, statistics, and integers using an integrated geometry and statistics approach. The course uses the late integers model—integers are only introduced at the end of the course.

Subject:
Mathematics
Material Type:
Full Course
Textbook
Provider:
Lumen Learning
Provider Set:
Candela Courseware
Author:
David Lippman
Date Added:
03/31/2016
Back to School Problem Solving
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September is a great time for data collection activities as students are naturally curious about their new classmates. Ask questions that require students to analyze data and support their conclusions.

Material Type:
Activity/Lab
Provider:
Mathwire
Author:
Terry Kawas
Date Added:
02/16/2011
Basic Arithmetic Student Workbook - Second Edition
Unrestricted Use
CC BY
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This workbook was created through the efforts of three instructors at Scottsdale Community College in Scottsdale, Arizona. Any individual may download and utilize a digital copy of this workbook for free. The Creative Commons licensing of this text allows others to freely use, modify, or remix any of the information presented here. Contact Donna Gaudet at dgaudet.scc@gmail.com if you are an instructor that wishes to teach with these materials or adapt and edit them for teaching. 238 pages.

Subject:
Mathematics
Material Type:
Textbook
Provider:
Scottsdale Community College
Provider Set:
Scottsdale Community College Open Textbooks
Author:
Amy Volpe
Donna Gaudet
Jenifer Bohart
Date Added:
04/01/2013
Basic Math Facts Fluency
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Every math teacher struggles to find ways to encourage students to master their basic facts. Whether for addition and subtraction facts or for multiplication and division facts, teachers collect many ideas from which they can draw activities to meet the varied needs of learners in their classes. Games and Who Has? activities are especially motivational and continual play can help students develop fact fluency in an effort to master the games and capture the most points.

Material Type:
Activity/Lab
Game
Provider:
Mathwire
Author:
Terry Kawas
Date Added:
02/16/2011
Biodome
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CC BY-SA
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Developed for the second grade. A biodome is a self-sustaining habitat for plants. Students will make a biodome in a recycled soda bottle and watch as their seeds grow. Students will observe and understand how the water in the biodome continues to recycle itself through condensation and evaporation.Biology In Elementary Schools is a Saint Michael's College student project. The teaching ideas on this page have been found, refined, and developed by students in a college-level course on the teaching of biology at the elementary level. Unless otherwise noted, the lesson plans have been tried at least once by students from our partner schools. This wiki has been established to share ideas about teaching biology in elementary schools. The motivation behind the creation of this page is twofold: 1. to provide an outlet for the teaching ideas of a group of college educators participating in a workshop-style course; 2. to provide a space where anyone else interested in this topic can place their ideas.

Subject:
Biology
Life Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
WikiEducator
Date Added:
02/16/2011
Build-a-fraction
Unrestricted Use
CC BY
Rating
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Build fractions from shapes and numbers to earn stars in this fractions game or explore in the Fractions Lab. Challenge yourself on any level you like. Try to collect lots of stars!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Karina Hensberry
Kathy Perkins
Mike Dubson
Sam Reid
Trish Loeblein
Date Added:
10/17/2012
Children Play - The Foundation for Mathematical Learning
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Children acquire mathematical concepts from games such as rope, dice and cards. This book identifies the games as a foundation for mathematical learning in Grades 1 to 3.

Material Type:
Activity/Lab
Game
Teaching/Learning Strategy
Provider:
United Nations
Provider Set:
UNESCO
Author:
Raymond I. Knight
Date Added:
02/16/2011
Decimal "How-To" Lessons
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Some Rights Reserved
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Do you have a big decimals test coming up? Or are you studying for your standardized math test? This site is both fun and helpful! On this site you can review the following topics: place values of decimals, how to read decimals, expanded notation for decimals, and how to convert fractions into decimals. On this site you can also review how to add, subtract, multiply, and divide decimals. You will also learn about terminating and repeating decimals.

Subject:
Algebra
Education
Mathematics
Material Type:
Activity/Lab
Lecture Notes
Lesson Plan
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
Decimals Cruncher
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The Decimals Cruncher game will help you learn about decimal operations! You can choose to practice adding, subtracting, multiplying, or dividing. You can also pick how hard the game is. The game has 4 levels: easy, medium, hard, and killer. The Decimals Cruncher will keep track of your score. When you switch to a new operation (addition, subtraction, multiplication, or division), your score will start over again.

Subject:
Education
Mathematics
Material Type:
Activity/Lab
Game
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
Elementary Math - Grade 1
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CC BY-NC-SA
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This site is a series of video lectures and interactive exercises for teaching basic mathematics skills to first graders. It has separate addition and subtraction skills reviews numbers up to 10, 20, and 100; a section on telling time and reading clocks as well as course material on measurement and geometry.

Subject:
Mathematics
Material Type:
Activity/Lab
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
02/24/2015