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Lesson Plan
Houghton Mifflin Harcourt

Introducing the Concept: Adding and Subtracting With Negative Integers

For Teachers 5th - 7th Standards
A basic narrative is outlined for teaching a lesson on the addition and subtraction of integers. Using a number line, you can demonstrate how to find the sum of a positive and negative integer. On the right side of the page are links to...
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Worksheet
Curated OER

Rational Numbers

For Students 8th - 9th
In this rational numbers worksheet, students solve and complete 33 different problems that include adding and subtracting various types of rational numbers. First, they determine the sum or difference of each problems. Then, students...
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Lesson Plan
Curated OER

Multiplying and Dividing Integers/Relay Race

For Teachers 6th - 8th Standards
Give your class a list of multiplication and division sentences that contain both positive and negative integers. Have them analyze them to see if they can discover the pattern with the signs. From these patterns, help them develop the...
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Lesson Plan
Curated OER

Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
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Lesson Plan
Curated OER

Addition and Subtraction of Signed Numbers

For Teachers 4th - 6th
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers instructional activity, students use pennies to represent positive and negative numbers....
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Worksheet
Curated OER

Adding and Subtraction of Integers (more than 2)

For Students 3rd - 6th
In this addition and subtraction worksheet, students add and subtract numbers in each problem where there are more than 2 numbers. Students complete 90 problems total.
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Lesson Plan
Curated OER

Adding and Subtracting Algebraic Expressions (Combining Like Terms)

For Teachers 6th - 7th
Everyone loves math when it includes food! This activity tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping students understand this...
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Worksheet
Curated OER

Substitution Formula

For Students 8th - 9th
In this substitution formula worksheet, students solve 9 various types of problems related to applying the substitution formula. First, they use a number line to add or subtract negative integers. Then, students substitute numbers for...
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Worksheet
Curated OER

Adding Negative Numbers

For Students 7th - 9th
In this algebra worksheet, students add and subtract negative numbers using their negative signs correctly. There are 27 problems dealing with adding negative numbers.
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Worksheet
Curated OER

Integer Addition and Subtraction (B)

For Students 5th - 6th
In this integers worksheet, learners solve 30 problems in which positive and negative numbers are added and subtracted. There is no instruction on the page.
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Lesson Plan
Curated OER

Using Negative Numbers

For Teachers 6th
Sixth graders practice using negative numbers by completing number equations.  In this math problem solving lesson, 6th graders discuss the different ways negative numbers can be used in a math problem and practice completing equations...
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Lesson Plan
Curated OER

Introduction to Pre-Algebra

For Teachers 6th - 8th
Young scholars explore adding and subtracting positive numbers. Students discuss the use of algebra in our daily lives. They examine the algebraic equations and observe their solutions. Young scholars work on the board and at their desks...
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Lesson Plan
Curated OER

Number Lines, Variables, Solving for One Variable

For Teachers 7th - 8th
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
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Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Rational Numbers to Solve Problems

For Teachers 9th - 12th
Students explore the concept of probability.  In this probability activity, students use area to determine probability.  Students use charts and spinners to help determine the probability of events such as flipping a coin or rolling a...
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Worksheet
Houghton Mifflin Harcourt

Intensive Math

For Students 5th - 8th Standards
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full of...
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Lesson Plan
EduGAINs

Making Savvy Consumer Choices

For Teachers 7th - 8th Standards
It's never too early to learn about grocery budgeting. Middle schoolers delve into the world of consumer math with a lesson that focuses on both healthy choices and real-world math applications. Groups work together to form a grocery...
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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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Assessment
Noyce Foundation

Cat Food

For Teachers 6th - 7th Standards
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context. The resource...
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Assessment
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California Education Partners

Least and Greatest

For Students 7th Standards
Squares can be magic. Pupils use their knowledge of addition of positive and negative rational numbers to create a 3 X 3 magic square where the sums are 1. Scholars create addition and multiplication expressions with a set of rational...
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Worksheet
Curated OER

Two-Digit Numbers: 10 More or 10 Less

For Students 1st - 2nd
Complete the sequence by adding or subtracting 10! Although the instructions are slightly vague, the idea is that learners are given a starting number and fill in four sequential numbers by either adding or subtracting 10. The first four...
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Lesson Plan
Curated OER

Number Line Relay

For Teachers 7th - 10th
Students investigate the placements of numbers on a number line. In this algebra lesson, students visualise addition and subtraction on a number line.
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Handout
Charleston School District

Negative Exponents Operations

For Students 8th Standards
Are exponent rules different if the exponents are negative? Using the definition of negative exponents and the rules of exponents, the resource shows that the rules of exponents hold independent of the sign of the exponent. Practice...
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Interactive
Curated OER

Adding Integers

For Students 5th - 6th
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
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Worksheet
Curated OER

Positive and Negative Activity

For Students 5th - 7th Standards
In this positive and negative activity, students use the positive and negative rules to rewrite and answer the 34 questions below, an example is provided for them.