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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Related Addition Fact

For Students K - 1st Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which addition fact is related to the given addition problem. The video uses vocabulary of addends and sum. The video is...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 1000

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence when adding and subtracting 3-digit numbers by using fact families.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 100

For Students 1st - 3rd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence by using fact families.
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Activity
School Express

School Express: Online Addition

For Students Pre-K - 1st Standards
Great place to sharpen your addition skills. Start with basic facts and go all the way up to 3 digit addition with regrouping. You select the level of difficulty and the number of problems. You can also check your answer right away.
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Lesson Plan
Better Lesson

Better Lesson: We Are All a Happy Fact Family

For Teachers 2nd Standards
Explore the relationship between addition and subtraction with this lesson. Help students understand that "every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction number...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 1000

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine what number sentence is missing in the fact family.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Flip Flop

For Students 1st - 5th
Use this game to improve your quickness and memorization of addition facts. You can set the facts you want to practice on this game. Just follow the instructions below it!
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Activity
University of Cambridge

University of Cambridge: Nrich: Twenty Divided Into Six

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition fact skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Sealed Solution

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Ladybugs in the Garden

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: 1, 2, 3 Magic Square

For Students Pre-K - 1st Standards
Sharpen your logic and basic addition facts skills while working on this challenge. Solution.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Fact Families

For Teachers 1st - 2nd Standards
As a whole class, the teacher presents students with 3 numbers on cards, such as 5, 8, and 3. The teacher asks the students to find all the ways the numbers can be put together in addition or subtraction sentences. This lesson includes...
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Activity
Utah State University

Teacher Link Printable Teacher Aids

For Teachers Pre-K - 1st Standards
A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.
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Interactive
Scholastic

Scholastic: Math Facts

For Students 3rd - 5th
This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.
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Unknown Type
Other

Project Happy Child: Free Addition Worksheets

For Students Pre-K - 1st Standards
2000 basic addition worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
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Website
Math2

Math2

For Students 9th - 10th Standards
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
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Interactive
ABCya

Ab Cya: Math Bingo

For Students 2nd - 4th
Test your math facts in addition, subtraction, multiplication, and division with this fun BINGO game. The lower your score the better in all three levels.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Sums of Whole Numbers to 1000 (Grade 3)

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] This site offers the video "Addition: 3 Digits." and a practice quiz in which students solve problems using addition to find the sum or summand of numbers up to 1000.
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Whiteboard
ClassFlow

Class Flow: All in the Family: Fact Families

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart explores the concept of fact families for addition and subtraction as well as inverse operations. There are several pages of hands on activities to engage student learning.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Eiffel Tower: Number

For Students K - 1st
Sophia is making a trip to the Eiffel Tower. Join her and count all the numbers!
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Activity
University of Cambridge

University of Cambridge: Nrich: Game Asteroid Blast

For Students Pre-K - 1st Standards
Use this game to improve your addition, subtraction, multiplication, and division basic facts. Practice all these skills and have fun at the same time! There is a "Get Printable Page," link at the top to print out the materials you need.
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Interactive
ABCya

Ab Cya: Math Man + X /

For Students 4th - 6th Standards
Math Man is an elementary activity to practice addition, subtraction, multiplication and division math facts. Solve math problems and avoid the ghosts! Fun for children of all ages!
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Penguins: Twenty: Number 20 and Money

For Students 1st - 2nd Standards
Practice counting, addition, and subtraction by making sure all twenty penguins have enough clothes and food.
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Unit Plan
Khan Academy

Khan Academy: Making Small Numbers in Different Ways

For Students Pre-K - 1st Standards
Practice making a number by adding other numbers. All numbers in these problems are less than 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.