Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Curated OER
Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip...
Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Order of Operations With Integers 1
In this math worksheet, 5th graders work problems involving multiple step problems. Students complete twenty problems using addition, subtraction, multiplication, and division all with integers.
Mathematics Assessment Project
Using Positive and Negative Numbers in Context
Measure the temperature of your math class with a temperature-based lesson on adding and subtracting rational numbers. The thermometer serves as a vertical number line for learners as they work together to solve a temperature change...
Curated OER
Order of Operations
In this order of operations worksheet, students complete problems involving all four operations and parenthesis. Students complete 14 problems.
Curated OER
Visualizing Integers
Students create visuals on the TI Calculator to solve problems. For this algebra lesson, students perform basic operations with integers. They add, subtract, multiply and divide.
Curated OER
Operations for Problem-Solving
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Curated OER
Dividing Integer Powers
Work on the concept of using division with integer powers. The skills of using exponents and multiplying powers should be in place before attempting this lesson plan. The lesson plan provides examples for the teacher to use for direct...
Curated OER
Adding and Subtracting With Negative Numbers
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers instructional activity, 5th graders use a number line to solve math problems.
Curated OER
Go Negative
Fourth graders advance to new levels in the lesson we're dealing with here. It is the fourth of a sequence of six dealing with the same theme. These develop from Level 2 to Level 5. In the process they involve number concepts at the...
Houghton Mifflin Harcourt
Introducing the Concept: Adding and Subtracting With Negative Integers
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...
Houghton Mifflin Harcourt
Developing the Concept: Multiplying and Dividing with Negative Integers
Show your math class strategy charts that will help them solve multiplication and division problems using both positive and negative integers. This resource gives you questions to ask as you guide learners through the concepts. Have them...
Curated OER
Operations Activities
Students do a collection of activities which deal with operations on integers and fractions.
Curated OER
Get a Line on Integers
Middle schoolers explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Middle schoolers utilize math functions such as addition...
Curated OER
Which Pair?
Students practice solving equations adding decimals and integers. Using a worksheet, they identify which pair of numbers goes correctly with the problem. They review their answers and are graded based a rubric given to them.
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
What's Below Zero?
Young scholars examine the concept of positive and negative integers, adding and subtracting integers on a number line. They visit various Internet websites, solving problems using integers and completing a worksheet.
Curated OER
Science Unit Lesson Five
Sixth graders review how and which plants operate in terrariums. In groups, they follow instructions to make their own terrarium and place different types of plants in it. To end the lesson, they review the steps in the water cycle and...
Curated OER
Euclidean Algorithm
Learners are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
Curated OER
Commutative, Associative, and Distributive Properties
Middle schoolers explore the concept of the associative, commutative, and distributive properties. In the associative, commutative, and distributive properties lesson, students discuss real world examples of each property. Middle...
Curated OER
Practicing Arithmetic
High schoolers practice single operation arithmetic ranging from single digit addition to long division of decimals or real numbers using Graphit. They use data sets and rules to graph ordered pairs.
Curated OER
Adding Ten Tiles I
Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...