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Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
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Worksheet
Curated OER

Addition

For Students 1st - 2nd
In this addition worksheet, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
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Lesson Plan
Curated OER

Practicing Addition Strategies

For Teachers 1st - 2nd
In this math worksheet, students add the numbers 5 and 6 using two different methods. They first count up from six. Students say seven, eight, nine, ten, eleven to get to their answer. The second method is to use doubles. They think five...
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Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
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Lesson Plan
Curated OER

Number and Operations: Webbing Our Way Through Numbers

For Teachers 2nd
Second graders explore estimation and place value. In this place value instructional activity, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates....
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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
Mental Arithmetic

Number Bonds to 10

For Students K - 2nd Standards
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the instructional activity allow for plenty of practice.
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Worksheet
Savvas Learning

How Many Hundreds?

For Students 2nd - 3rd Standards
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
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Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
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Lesson Plan
Curated OER

Math Lesson Plan: Pumpkin Addition and Subtraction

For Teachers 1st - 2nd
Students practice their addition and subtraction skills. In this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
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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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Lesson Plan
Curated OER

Number Lines and Bead Strings

For Teachers 2nd - 3rd
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
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Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
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Worksheet
Curated OER

What is the Cat Looking For?

For Students 2nd - 4th
In this addition activity, students answer 10 fill in the blank questions where they rewrite number sentences to use the making ten strategy. Then students use the answers to solve a connect the dot puzzle.
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Lesson Plan
Curated OER

Ten Sly Piranhas: A Counting Story in Reverse

For Teachers 2nd - 3rd
Young scholars solve related addition and subtraction problems. In this addition and subtraction instructional activity, students use the book Ten Sly Piranhas by William Wise as the source of word problems for young scholars to solve.
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Worksheet
Curated OER

Missing Numbers

For Students 2nd - 3rd Standards
In this number sequence worksheet, students examine 6 number sequences and fill in 1 missing number in each sequence. Next, students use the strategy of counting by ten to complete 5 different number sequences.
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Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 2

For Students 2nd - 4th Standards
Develop the problem solving skills of your young learners with this collection of math newsletters. Covering a variety of topics ranging from simple arithmetic and number sense to symmetry and graphing, these worksheets offer a nice...
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Interactive
Curated OER

My Test Book: Addition and Subtraction

For Students 2nd - 3rd
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
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Interactive
Curated OER

My Test Book: Addition and Subtraction 2

For Students 2nd - 3rd
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding 2-digit addition and subtraction. Students may view the correct answers.
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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

Grouping Three Times

For Students 2nd - 3rd
In this addition practice worksheet, students solve 6 problems that require them to add 4-digit numbers to 3-digit numbers. Students identify the problems that required them to group 3 times and write and solve their own addition problems. 
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Interactive
Curated OER

My Test Book: Rounding Numbers and Addition Skills

For Students 2nd - 4th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to round numbers to the nearest 10. Students may submit their answers to be scored.
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Worksheet
Curated OER

My Test Book: Addition and Subtraction

For Students 1st - 2nd
In this math skills worksheet, students solve 10 multiple choice math problems that require them to use the addition and subtraction skills. Students may view the correct answers.
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Interactive
Curated OER

Fill in the Blank: Addition Number Sentence

For Students 1st - 2nd
In this online interactive math skills worksheet, students examine an addition sentence and fill in the blanks to appropriately finish it. Students may submit their answers to be scored.