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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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Assessment
Mathed Up!

Addition and Subtraction

For Students 1st - 3rd Standards
After watching a brief video on addition and subtraction, young mathematicians are put to the test. Including 12 problems, individuals solve word problems to find the least number, total amount, and difference of numbers. 
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Worksheet
Curated OER

Christmas Themed Math Word Problems-Up To 20

For Students 1st - 2nd
Your class will need to use addition and subtraction to solve these word problems. There are 2 Christmas themed problems to solve and a work space for each.
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Worksheet
Helping with Math

Addition: Number Bonds to 20

For Students 1st - 3rd Standards
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.
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Activity
Collaborative Learning Project

Four in a Row Addition and Subtraction

For Teachers 1st - 3rd Standards
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
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Worksheet
Curated OER

One More or One Less?

For Students K - 2nd Standards
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
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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
Curated OER

Two-Digit Addition and Subtraction (No Regrouping)

For Students 1st - 2nd
If practice makes perfect, this sheet cultivates perfection among pupils learning to add and subtract 2-digit numbers. No regrouping is required, so this high repetition tool will help lay a strong foundation for that next step. Key is...
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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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Lesson Plan
Curated OER

Yummy Gummy Subtraction

For Teachers K - 3rd
Here is a quick 15 minute instructional activity intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy...
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Lesson Plan
Illustrative Mathematics

Kiri's Mathematics Match Game

For Teachers K - 2nd Standards
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
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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
BBC

Simple Addition and Subtraction

For Teachers K - 1st
Here is a wonderful lesson designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
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Worksheet
Curated OER

Add and Subtract Within 20

For Students K - 2nd
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
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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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Worksheet
Curated OER

Addition: Number Bonds to 10

For Students 1st Standards
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
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Worksheet
Curated OER

Length Addition and Subtraction Word Problems

For Students 1st - 2nd
Who has the tallest ice cream cone? Learners read two short word problems to compare the heights of various objects. Because these are paired with images, the objective is more of an image analysis than measurement addition and...
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Worksheet
Curated OER

Reading Tally Charts #2

For Students K - 2nd Standards
Keep count with tally marks! First graders practice reading tally marks with this straightforward learning exercise. They work with interpreting data from a chart, as well as working with addition and subtraction under 20. A great math...
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Worksheet
EdHelper

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students use addition or subtraction to find the sum or difference for the 20 double digit problems.
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Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
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Lesson Plan
Curated OER

Two Digit Addition Without Regrouping

For Teachers 1st - 2nd
No regrouping required. Hone basic subtraction skills with 20 problems. Learners subtract double-digit numbers.
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Worksheet
Curated OER

Relate Counting to Addition and Subtraction

For Students K - 2nd
Use patterns to practice basic addition; pupils count by two, starting from eight and counting on to 20. They record the five numbers missing from the sequence. Below, the worksheet walks learners through the process they use to count by...
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Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...