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.
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.
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.
Website
Primary Resources

Primary Resources: Addition and Subtraction Resources

For Teachers Pre-K - 1st
Here's an extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction. You will find resources on the vocabulary used in word problems, column addition, checking addition and subtraction, games,...
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist

For Students K - 1st Standards
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Activity
Math Cats

Math Cat: Fact Family Card

For Students Pre-K - 1st
Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Llama Farm: Addition and Subtraction

For Students 4th - 6th Standards
On this interactive site students learn to solve subtraction problems using a formal algorithm and to apply place value concepts.
Interactive
ABCya

Abc Ya: Math Fact Shoot Out

For Students 2nd - 5th
Use multiplication, division, addition, or subtraction to play this math basketball game. Choose your operation and level to try to collect basketballs to use for shooting free throws. Each correct answer earns you one basketball - the...
Whiteboard
SMART Technologies

Smart: Colorful Painter Fact Families

For Teachers 1st - 3rd
Find the missing numbers in the fact family number sentences.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Fact Family House [Pdf]

For Students 1st - 3rd
Roll dice and place the numbers rolled in the fact family house, then solve the addition or subtraction problem.
Unknown Type
Varsity Tutors

Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets

For Students 4th - 8th
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
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 instructional activity. Help students understand that "every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction...
Whiteboard
ClassFlow

Class Flow: Fact Families

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] In this activity, students use the visual cues from a fact family triangle, manipulatives and numbers to understand and apply the concepts and procedures of mathematics including addition, subtraction,...
Whiteboard
SMART Technologies

Smart: Fact Family Houses

For Teachers K - 1st
Smart Exchange is an online community that teachers can share resources. This SMART Notebook file discusses the concept of fact families to help students practice addition and subtraction facts.
Professional Doc
Teachnology

Teachnology: Addition and Subtraction Teaching Theme

For Teachers Pre-K - 1st Standards
Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.
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.
Unknown Type
Varsity Tutors

Varsity Tutors: Aplusmath: Addition, Subtraction, Multiplication and Division Flashcards

For Students 3rd - 8th Standards
Students can practice their addition, subtraction, multiplication, and division facts with the online flashcards. The resource has students choose the type of flash cards, number of problems, and if they would like to use a timer.
Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Addition and Subtraction Quiz

For Students Pre-K - 1st Standards
Students can test their knowledge of addition and subtraction facts. They can choose to have their quiz graded or select new problems.
Interactive
Shodor Education Foundation

Shodor Interactivate: Arithmetic Four

For Students K - 1st Standards
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.
Activity
Can Teach

Can Teach: Who Has More or Less?

For Teachers 2nd - 4th
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Interactive
ICT Games

Ict Games: Funky Mummy

For Students 1st - 3rd Standards
Funky Mummy is a mobile-friendly number facts game. Play this game to practice quick recall of addition, subtraction and multiplication facts.
Interactive
ABCya

Ab Cya: Math and Computer Practice: Christmas Lights

For Students Pre-K - 1st
Run through math facts and light up the night. The faster you go the more lights you receive. Practice addition, subtraction, multiplication, or division.
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.
Interactive
ABCya

Ab Cya: Math Quiz

For Students K - 1st
Take a math quiz and print your results. Choose what type of math facts to be tested on: addition, subtraction, multiplication, or division.