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Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
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Worksheet
Curated OER

Fact Families - Part 2

For Students 1st - 2nd Standards
Complete these fact families; mathematicians use addition number sentences to write three more equations, all of which are members of the same fact family. There is an example here to guide them, and they solve for nine more number...
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Lesson Plan
Curated OER

Rule It Out

For Teachers 2nd - 5th
Here's a way to create math fact flash cards! Learners create their own cards and sort them into matching categories. Learners start with addition and work their way up to harder math such as multiplication, and are asked to notice...
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Lesson Plan
Curated OER

Fact Families

For Teachers 1st
For this mathematics worksheet, 1st graders create a fact family that uses specific numbers given. Then they draw eight circles, add five more, and write the fact out in a problem.
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Worksheet
Curated OER

Family Names

For Students 1st - 2nd
In this fact family worksheet, students examine a blank math cube with 10 squares. Students color some cubes red and some blue, then write a fact family for the numbers.
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Worksheet
Curated OER

Family of Four

For Students 3rd - 5th
In this fact family worksheet, students write in the missing numbers in the addition problems. They then complete each fact family. There are 6 problems on this worksheet.
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Lesson Plan
Curated OER

Fact Families

For Teachers 1st - 3rd
Students explore about fact families. Before students begin doing word problems, they complete an activity . Students explore what a fact family is. A fact family is a set of math problems that use the same three numbers.
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Lesson Plan
Curated OER

Leaves for Our Tree

For Teachers 2nd
Young mathematicians review fact families and create a Math Fact Family Tree. This clever lesson plan includes some excellent printouts that support the lesson.
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Lesson Plan
Curated OER

Fact Family Frenzy

For Teachers 2nd
Second graders explore fact families and inverse relationships between addition and subtraction. They use flashcards to model the inverse relationships. Students complete the equations for each fact family.
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Worksheet
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Curriculum Corner

Number Family Practice Page

For Students 1st Standards
Using their knowledge of the associative and commutative properties of addition, class members work with fact families to create two addition and two subtraction problems with three given numbers. 
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Worksheet
Curated OER

Related Addition and Subtraction

For Students 1st - 2nd
These fact families need more members! Here are 10 addition and subtraction problems that need related facts written in. There are single and double-digit numbers, and each of these is written out in a sentence. Note that the grammar is...
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Worksheet
Curated OER

Fact Families

For Students 2nd - 3rd
In this fact families worksheet, students solve the six word problems by using the fact family rules for addition and subtraction. Students solve six problems.
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Worksheet
Curated OER

Fact Families: Add to 6

For Students 1st - 2nd
For this fact family practice worksheet, students fill in the blanks in 6 number sentences so each of the 6 number sentences add up to make 6.
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Worksheet
Curated OER

Fact Families: Add to 7

For Students 1st - 2nd
In this fact family practice worksheet, students fill in the blanks in 7 number sentences so each of the 7 number sentences add up to make 7.
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Worksheet
Curated OER

Fact Families: Add to 9

For Students 1st - 2nd
In this fact family practice worksheet, learners fill in the blanks in 9 number sentences so each of the 9 number sentences add up to make 9.
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Lesson Plan
Curated OER

Fact Families

For Teachers 2nd - 3rd
In this fact families worksheet, learners fill in 6 pictures of a house with a fact family. Groups include 3, 5, 8 and 4, 7,11.
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Worksheet
Curated OER

Fact Families

For Students 3rd - 4th
In this fact family activity, students are given three numbers in a fact family. Using those numbers, students will create two addition and two subtraction sentences for each set of three numbers.
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Worksheet
Curated OER

Relate Addition and Subtraction Enrichment 14.7

For Students 1st - 2nd
In this addition and subtraction worksheet, students solve 3 problems in which lines are drawn to match the pictures to the number sentences in the same fact family. Students solve the problems.
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Lesson Plan
Curated OER

Fact Families

For Teachers 1st - 2nd
Students explore the relationship between addition and subtraction as they independently complete problems with fact families. Students complete fact family problems by completing a fact triangle. Additionally, students orally state a...
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Worksheet
Curated OER

Fact Families

For Students 1st
In this fact family worksheet, 1st graders complete 4 sets of blanks that show addition and subtraction fact families. They examine 3 sets of numbers and determine which one shows the fact families that go with the numbers 5, 2, and 7.
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Lesson Plan
Curated OER

Triangle Town

For Teachers 2nd
Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.
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Lesson Plan
Alabama Learning Exchange

Mix it Up! Exploring the Commutative and Associative Properties of Addition

For Teachers 1st - 3rd Standards
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
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Worksheet
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Curated OER

Inverse Relationships (5)

For Students 2nd - 3rd
In this addition and subtraction fact family learning exercise, students use the numbers given to fill in the missing numbers in each pair of fact families. Students solve 60 problems.
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Lesson Plan
Curated OER

Spill the Beans

For Teachers 1st - 4th
Students explore the meaning of a fact family. In this Math lesson, students work in small groups to create their own fact family based on color of beans.  The beans are colored and represent a given value. Students discover the meaning...

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