Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Naming Numbers
In this addition and subtraction fact families learning exercise, 1st graders write five fact family answers for each of six numbers. In a sample problem, students are instructed to find names for 8. The sample answers are 4+4 and 11-3.
Curated OER
Using Doubles to Subtract
In this subtraction learning exercise, 1st graders use addition doubling patterns to subtract numbers. For instance, one problem asks students to subtract three from six. They are directed to think that 3+3=6. Students write the answer...
Curated OER
Hamburger Lesson
Students examine fractions in this lesson plan. They practice with how to reduce and perform operations on fractions.
Curated OER
Lesson 3: Seven Day Road Trip
Students plan a seven day road trip. In this travel lesson, students plan a driving trip that includes five major cities or attractions in Florida or another state of their choice. They show the trip on a map, calculate distances that...
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Curated OER
Adding and Subtracting Polynomials
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...
National Security Agency
Integers: Quick, Fun and Easy To Learn
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...
EngageNY
Complex Numbers as Vectors
Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...
EngageNY
Complex Numbers and Transformations
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Resources for Educators
Math & Science Connection
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...
Curated OER
Operations with Positive Fractions and Decimals
Explore the concept of fractions and decimals! In this fractions and decimals instructional activity, pupils use fraction tiles to express fractions. They play a fraction review basketball game where when a team gets a question correct...
Virginia Department of Education
Using Order of Operations and Exploring Properties
If you need some creative ways to teach the order of operations, use a series of activities that focus on properties. Each lesson uses different materials and works as a stand-alone activity, or can build upon the concepts of the last...
Super Teacher Worksheets
Number Patterns
Pattern recognition is an essential step in the development of young mathematicians fluency with the four basic operations. This simple skills practice worksheet asks children identify and complete three different...
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
Curated OER
Vectors
Represent motion with arrows and call them vectors! The lesson is a presentation that models the mathematics involved when determining a resultant vector. It addrssses motions that are parallel, perpendicular, and a combination of...
Virginia Department of Education
Practical Problems Involving Decimals
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson is...
Virginia Department of Education
Mathematics Vocabulary Cards - Kindergarten
Enhance your math lesson with a series of pictures that illustrate different math concepts. The vocabulary includes a variety of ideas and pictures including fractions, ordinal numbers, picture graphs, and number lines.
Curated OER
Everyday Math
Students discuss word problems involving time and money. In this mathematics lesson, students solve word problems as a class focusing on addition, subtraction, multiplication, and simple fractions. Students then make their own word...
Curated OER
Monkey Subtraction
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Curated OER
Living on Your Own -- Let's Calculate the Cost!
Students review basic math skills, such as addition, subtraction, multiplication, division, finding averages, and working with percentages. They see how these skills apply to real life situations.
Curated OER
Understanding Inequality Operation Rules
Students solve problems within-inequalities. In this algebra lesson, students apply concepts of addition, subtraction, multiplication and division to solve inequalities.
Pennsylvania Department of Education
Let's Learn Those Facts: Looking Back and Moving Forward
Students participate in an adding game. For this adding numbers lesson, students calculate the sum of the dice and remove a number from their activity sheet. Students who first removes the numbers is the winner.
Curated OER
Interesting Integers
Middle schoolers add and subtract integers. In this algebra lesson, students analyze integers using hands on manipulative. They solve problems of addition and subtractions using their signs correctly. They play a game of cards to...