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Worksheet
Curated OER

Two Digit Addition Worksheet: No Regrouping Worksheet #3

For Students 1st - 2nd
In this addition worksheet, students solve 20 problems in which two digit numbers are added with no regrouping. There is a number line provided.
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Worksheet
Curated OER

Mental Math: Use the Properties-Reteach

For Students 4th - 5th
In this mental math reteach learning exercise, students review the commutative, associative and distributive properties, then complete a set of 13 problems. A reference web site is given for additional activities.
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Worksheet
Curated OER

Math Vocabulary

For Students 6th
In this math vocabulary worksheet, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 7th - 12th
In this adding and subtracting integers worksheet, learners find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
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Worksheet
Curated OER

Addition Properties and Subtraction Rules

For Students 3rd - 4th
In this addition and subtraction worksheet, students review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
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Worksheet
Curated OER

2 Digit Addition Worksheet (No Regrouping) #4

For Students 1st - 2nd
For this addition worksheet, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
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Worksheet
Curated OER

Two Digit Addition Without Regrouping

For Students 1st - 2nd
In this addition worksheet, students solve 20 problems in which two digit numbers are added. There will be no regrouping on this page.
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Worksheet
Curated OER

Two Digit Addition Worksheet #3: Find the Missing Number

For Students 2nd - 3rd
In this addition worksheet, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
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Worksheet
Curated OER

Missing Numbers in Two Digit Addition Worksheet #9

For Students 1st - 3rd
In this addition activity, students solve 20 problems in which missing numbers in two digit addition problems are filled in. There is no regrouping on the page.
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Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd
Third graders understand the perimeter by units and now find perimeter by addition. In this perimeter lesson, 3rd graders relate their prior knowledge to adding the sides of the perimeter by answering a series of questions.
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Lesson Plan
Curated OER

Mean, Median and Mode

For Teachers 4th
Fourth graders describe weather data using the mean, median and mode. In this mean, median and mode lesson, 4th graders understand how to calculate data using mean, median and mode and why they would use each one.
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Lesson Plan
Curated OER

The Rabbit Problem

For Teachers 3rd - 7th
Learners notice a number pattern in the book The Rabbit Problem by Emily Gravett. In this number pattern instructional activity, students represent and describe numbers appropriate to their grade level.
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Worksheet
Curated OER

Sumerian Numbers

For Students 5th - 6th
In this Sumerian numbers activity, students use Sumerian numbers given at the top of the page to rewrite a set of equations and solve, then 'analyze it.' Answers included on page 2.
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Worksheet
Curated OER

Find a Pattern

For Students 3rd - 4th
In this patterns learning exercise, students find the next 3 numbers in the sequence of patterns. Students complete this for 9 patterns.
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Lesson Plan
Curated OER

Popsicle Stick Regrouping Fun

For Teachers 2nd - 3rd
Students demonstrate regrouping in subtraction. In this math computation activity, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
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Lesson Plan
Curated OER

Ten Little Black Dots

For Teachers 2nd
Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.
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Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Students study related addition and subtraction facts. For this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
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Lesson Plan
Curated OER

Adding Integers with Counters

For Teachers 6th - 8th
Learners solve integers using addition. In this algebra lesson plan, students add integers using counters. They define and label patterns created by integer operations.
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Lesson Plan
Curated OER

The Process Of Addition

For Teachers K
Students use manipulatives to explore the notation of addition and gain experience with independent practice. They demonstrate their knowledge by performing the operation on the board with magnets, on their own felt work mat then on...
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Lesson Plan
Curated OER

Mean Averages

For Teachers 4th
Fourth graders examine a number of data sets while practicing finding the mean, median, and mode of the numbers.
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Lesson Plan
Curated OER

Mathematics: Prime and Composite Numbers

For Teachers 6th
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
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Lesson Plan
Curated OER

Multiplication and Addition

For Teachers 3rd - 5th
Students create their own number line showing the answers if you add the same two numbers together. They do the same for multiplication and compare the two number lines. They answer questions to complete the lesson.
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Lesson Plan
Curated OER

Unequal Groups vs. Equal Groups

For Teachers 3rd
Third graders create their own chenille stems to use during this and future lessons. As a class, they discuss the difference between equal and non-equal groups. In groups, they brainstorm a list of items that come in groups of two,...
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Lesson Plan
Curated OER

Prime and Composite

For Teachers 6th
Sixth graders practice implementing manipulative's to assess composite and prime numbers. They formulate representations of rational numbers in a variety of ways including graph paper, sieves of Eratosthenes and multiple worksheets.

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