Willow Tree
Order of Operations
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include absolute...
Curated OER
Word Problems that Use All Operations
Although this word problem could be solved without algebra, it is an ideal way to incorporate algebraic equations and variables for easier solutions. The answer is explained below, so use this as an all-class warm up and cover up the...
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
Curated OER
Number, Number Sense and Operations: Worksheet Four
Review a variety of mathematical skills with this worksheet. In this number sense and operations worksheet, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
CK-12 Foundation
Properties of Multiplication in Decimal Operations: Balloon Animals
Commutive and associative properties are the focus of a five-question interactive. Dealing with decimal multiplication and addition, mathematicians solve multiple-choice and true or false questions using a model that moves balloons along...
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
Numbers and Operations
Students practice using proportions to discover the fraction needed to use the right amount of an ingredient. They calculate the number of ounces in one gallon as well. They answer questions to complete the lesson.
Curated OER
Summary of operations with integers
In this integers worksheet, students perform a summary of how to properly perform operation on integers. Addition, subtraction, multiplication, and division operations are shown with signed integers. Dividing by zero is also covered.
Curated OER
Absolute Value and Basic Operations With Real Numbers
Middle schoolers investigate the mathematical concept of absolute value by counting the number of steps taken in two directions. Using the number line the teacher can note how they can forward and backward without changing the absolute...
Curated OER
Lesson 2 Ordering Numbers
Math wizards begin the lesson by comparing and ordering rational numbers. Using a number line, they discover the relationship between the numbers and practice ordering them in the correct way. They also review proper techniques for...
Curated OER
Signed Number Operations and Absolute Value
Students examine methods for adding, subtracting, multiplying and dividing signed numbers. The observe animated illustrations of each operation. students discover the basic meaning of absolute value. They compute problems after instruction.
Curated OER
Order of Operation
Create a slide show that explains and applies any of the operations and algebraic properties using integers. Slideshows are compiled, shown to the class, and critiqued for accuracy by the rest of the class.
Curated OER
Properties of operations as Strategies
Explore math properties by incorporating multiplication and division skills. Learners examine six equations and match each to its equivalent in another set. They incorporate knowledge of math properties including the associative and...
Curated OER
Number Sense and Numeration
Young scholars add and subtract integers. In this algebra instructional activity, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational...
Curated OER
Operations with Positive Fractions and Decimals
Explore the concept of fractions and decimals! In this fractions and decimals lesson, pupils use fraction tiles to express fractions. They play a fraction review basketball game where when a team gets a question correct they get to shoot...
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
Curated OER
Morning Math
Rise and shine, mathematicians! These warm-ups will get your class putting on their thinking caps first thing as they recall past concepts and continue practicing newer ones. The problems are segmented and include concepts such as number...
Curated OER
Number Lines, Variables, Solving for One Variable
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....
Curated OER
Number Sense and Operations
In this number sense and operations activity, 7th graders solve 15 different types of problems that include estimation and expanded notation. First, they simplify various equations by following the order of operations. Then, students...
Curated OER
One-to-one Correspondence
Students count and keep track of objects using one-to-one correspondence. By moving, touching and pointing to objects they organize counting to determine the number in a set accurately. This helps students to practice the skill of...
Curated OER
Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
Curated OER
Inverses as a Form of Undoing
Middle schoolers use inverse operations to solve two-step equations. They study a story problem about inverse operations, watch a video about the problem, and complete a handout for the inverse problem. Pupils finish with two assessments...
Curated OER
Dr. Al Gebra
Young math whizzes role play a doctor operating on a patient without diagnosing the patient's condition. They relate this medical malpractice to performing a mathematical operation before evaluating conditions or deciding what the...
CK-12 Foundation
One-Step Equations and Inverse Operations: Additive Inverse
Reinforce properties while solving equations. Learners often ignore properties even as they try to apply them. A well-designed lesson emphasizes the role of additive inverses when solving equations.