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Worksheet
Curated OER

Know By Heart Addition Facts to 20

For Students 1st - 2nd
Some people call them fast facts and some call it recall with automaticity, test your class with this timed basic addition facts activity. It includes 7 sections of 8 addition problems each focused on a different set of problems.
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Lesson Plan
Curated OER

Addition and Subtraction Facts to 20 - Manipulative

For Teachers 1st - 3rd
Here is a good lesson that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
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Worksheet
Curated OER

Addition Up to 20, Sheet 3

For Students 1st - 3rd
Adding numbers up to sums of 20 is the focus of this learning exercise. Pupils complete a set of 24 problems by adding numbers to 20. A number line and reference website is given for additional activities.
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Worksheet
Curated OER

Addition Properties

For Students 1st - 2nd Standards
Addition becomes much simpler once scholars understand its properties. They examine the commutative property through five equation pairs. For each, the addends have been switched and scholars must fill one in. The next six problems give...
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Lesson Plan
Houghton Mifflin Harcourt

Addition and Subtraction Facts to 20

For Teachers K - 2nd Standards
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
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Lesson Plan
Curated OER

Addition Facts to Ten

For Teachers K - 1st
In this math worksheet, students learn to solve sums below 10. Students also learn the words "plus" and "sum" by solving 20 addition problems with words.
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Worksheet
Curriculum Corner

Spring Find a Fact Addition

For Students 1st - 3rd Standards
Test scholars' knowledge of addition facts with a festive instructional activity that makes adding a two-person game. Pairs examine a grid of numbers to locate and color addition facts. Last person to color three squares wins! 
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Worksheet
Curated OER

Baseball Word Puzzle and Addition Facts

For Students 1st - 2nd
In this math learning exercise, students solve 25 basic addition facts below 20. Using the sums and the key to the code, students decipher a secret message about baseball.
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Worksheet
DK Publishing

Addition Fact Families

For Students 1st - 2nd Standards
Fact families are an excellent way to connect math operations for beginners to addition and subtraction. Use the examples here to review this concept before scholars try these on their own. For each, they examine two related number...
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Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
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Lesson Plan
Curated OER

Making a Ten

For Teachers 1st - 3rd Standards
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
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Worksheet
Curated OER

Addition up to 12

For Students 1st - 2nd
In this addition facts learning exercise, students solve 20 basic addition facts. Both addends are single digits. This sheet includes facts up to twelve.  
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PPT
Curated OER

20 Questions: Math Questions

For Teachers 1st - 2nd
Here are 20 questions just waiting for a class to complete them. Each of the problems is either subtraction or addition, under or up to 20. Learners complete each question, then exchange papers for a peer to grade. Answers are included.
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PPT
Curated OER

Who Wants to Win Millions? - Addition

For Teachers 1st - 2nd
Some excellent practice in very basic addition awaits your young mathematicians in this engaging Jeopardy-style game. Pupils can earn hundreds of dollars by answering questions correctly. The categories include: Addition with pictures up...
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Worksheet
Curated OER

Addition Drills, part 2

For Students 1st - 3rd Standards
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
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Worksheet
Curated OER

Basketball Addition Puzzle

For Students 1st - 2nd
In this math instructional activity, students solve 25 basic addition facts below 20. Using the sums and the key to the code, students decipher a secret message about basketball.
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Worksheet
Curated OER

Abraham Lincoln Addition Puzzle

For Students 1st - 2nd
In this math worksheet, students solve 50 basic addition facts below 20. Using the sums and the key, students decipher the secret message about Abraham Lincoln.
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Worksheet
Curated OER

Addition Facts less than 20- Addends 5 to 10

For Students 1st
In this addition facts worksheet, 1st graders find the sum in 20 problems in which the addends are between 5-10. They find sums which are less than 20.
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Worksheet
Curated OER

Addition table 0 through 12

For Students 1st - 5th
In this addition table learning exercise, students observe an addition table that adds all numbers 0 through 12. Students can use this to add the numbers together.
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Worksheet
Curated OER

Know By Heart Addition Facts

For Students 1st - 3rd
In this addition facts worksheet, students practice answering addition problems as quickly as possible using numbers 1-10. An answer key is given.
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Worksheet
Curated OER

Addition Up To 20: Missing Facts

For Students 1st - 2nd
In this addition up to twenty instructional activity, students use their knowledge of addition facts fo fill in the missing numbers in two addition charts.
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Worksheet
Curated OER

Two Minute Test: Addition Facts

For Students 1st - 2nd
In this addition worksheet, students solve 100 basic addition facts with sums up to 20. This is a two minute timed drill of facts.
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App
Key Stage Fun

Squeebles Addition & Subtraction

For Students K - 3rd Standards
The math monster is at it again, this time stealing all the cars and drivers that were to take part in the cart race. If their addition and subtraction facts are up to the challenge, young mathematicians can win the drivers' freedom and...
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Worksheet
Curated OER

Addition Facts Hidden Picture

For Students 1st - 2nd
In this addition hidden picture worksheet, students solve the 30 addition facts 0 to 20. Students then use their answers to color a hidden picture according to the key provided.