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PPT
Curated OER

Adding and Subtracting Decimals

For Teachers 3rd - 5th
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
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Lesson Plan
Curated OER

A Human Number Line

For Teachers 8th
Eighth graders act out a number line using integers -10 to 10 on large cards. They practice addition and subtraction of these integers to gain explain the relative size of numbers.
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Lesson Plan
Utah Education Network (UEN)

Subtracting Integers

For Teachers 6th - 8th Standards
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
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Worksheet
Curated OER

Integers - Objects Model

For Students 6th - 7th
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
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Worksheet
Curated OER

Adding and Subtracting from 10

For Students 1st - 2nd
Here is a nicely designed worksheet on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do have...
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Worksheet
Math Mammoth

Number Line Jumps

For Students 6th - 7th
For this math learning exercise, learners write addition and subtraction sentences for eight word problems involving integers. Students use a number line to find the answer to the problem. Learners complete addition and subtraction with...
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Lesson Plan
Curated OER

Number: Negative Numbers

For Teachers 5th - 6th
Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...
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Worksheet
Los Angeles Valley College

Adding and Subtracting Integers

For Students 5th - 7th Standards
Practice adding and subtracting positive and negative numbers with a forty-problem integers worksheet.
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Worksheet
National Security Agency

Integers: Quick, Fun and Easy To Learn

For Students 6th Standards
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary worksheets and...
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Lesson Plan
Illustrative Mathematics

Comparing Freezing Points

For Teachers 6th - 7th Standards
Subtracting negative numbers can be confusing to your middle schoolers. Here, they are able to draw a number line and put their answer in sentence form to check their understanding of negative numbers. 
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Worksheet
Raytheon

Signed Numbers/Integers Worksheets

For Students 6th - 8th
In this positive and negative numbers learning exercise, students compute the values indicated using addition, subtraction, multiplication and division, with answer keys included.
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Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...
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Unit Plan
Curated OER

Rational Number Project

For Teachers 4th - 6th Standards
Infuse your unit on fractions, decimals, and operations with a thorough module about rational numbers. With a teaching guide, learner examples, templates for instruction, and lesson rationale, the module is a solid way to emphasize the...
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Worksheet
Curated OER

Reteaching Page: Adding and Subtracting Decimals

For Students 4th - 5th
Here is a decimal worksheet in which learners review the process for decimal computation, then add or subtract a set of three problems. A reference web site is given for additional activities.
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Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal activity, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Worksheet
Curated OER

Subtract Integers on a Number Line

For Students 4th - 6th
In this subtracting integers on a number line practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Lesson Plan
Curated OER

Adding and Subtracting Polynomials

For Teachers 6th - 9th
For use with a TI-nspire calculator, this lesson focuses on adding and subtracting polynomials. Learners use calculator to add and subtract polynomials using both the vertical method horizontal methods. A class discussion follows the...
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Lesson Plan
Curated OER

Rounding and Subtracting

For Teachers 6th - 8th Standards
Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and subtract. They will have...
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Worksheet
Curated OER

One-Digit Divisors

For Students 4th - 6th
Young mathematicians problem solve 12 division math problems involving one-digit divisors and remainders. They put their answers on the lines provided.
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PPT
Curated OER

Subtraction from 10

For Teachers K - 1st
Mr. Monkey is your math host today, and he is here to help your class subtract from 10. They can count back as a number line is used to demonstrate subtraction from 10. Each problem includes Mr. Monkey, an equation, and the number line...
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Worksheet
Curated OER

Working With Negative Numbers: Adding and Subtracting with a Number Line

For Students 5th - 6th
In this math worksheet, students practice addition and subtraction of positive and negative numbers using a number line to help. The 30 problems are written as questions in words.
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Lesson Plan
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EngageNY

Adding and Subtracting Rational Expressions

For Students 10th - 12th Standards
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Printables
Houghton Mifflin Harcourt

Unit 1 Math Vocabulary Cards (Grade 1)

For Students 1st Standards
Reinforce mathematical vocabulary with the use of flash cards. Each card showcases a boldly typed word as well as a labeled picture representation of the word. Terms include addition, subtraction, greater than, less than, and more!