Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
Worksheet
Curated OER

Using Addends and Sum/Using Subtrahend, Minuend, and Difference

For Students 2nd - 4th
What is an addend? What is a sum? Review this math terminology on the top half of the worksheet before practicing basic addition. 
Lesson Plan
Curated OER

Number Operations

For Teachers 3rd - 4th
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations lesson, students work in groups to create a game for the math skill...
Lesson Plan
EngageNY

If–Then Moves with Integer Number Cards

For Teachers 7th Standards
Pairs with the same sum of integer cards verify the addition and subtraction properties of equality by adding and subtracting like cards to each hand. They also justify the multiplication and division properties of equality using...
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Young scholars participate in a game using 12 manipulatives.  In this addition and subtraction lesson students play a game originated by the Native Americans and  look at a number of items and calculate how many are...
Lesson Plan
Curated OER

Add or Subtract Whole Numbers Up to 1000

For Teachers 3rd - 4th
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Lesson Plan
Curated OER

Fraction Problem Solving Process

For Teachers K
Help your charges solve a variety of fraction and skip counting problems using a problem solving process. As a class they work through a fraction problem step-by-step, and discuss a real-life connection to the problem. Students then play...
Lesson Plan
Curated OER

Problem Solving - Adding Whole Numbers

For Teachers 3rd - 5th
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
Lesson Plan
EngageNY

Complex Numbers as Vectors

For Teachers 11th - 12th Standards
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...
Lesson Plan
Curated OER

The Android Factory

For Teachers 4th - 10th
Learners explore the idea that primitive virtual 3D objects can be reshaped to infinitely original combinations using additive and subtractive methods. They create 3-D objects with a computer which necessitates a cooperation of...
Lesson Plan
Curated OER

the Whale Game

For Teachers Pre-K - 6th
Students listen to whale stories and answer addition and subtraction problems in the stories.  In this addition and subtraction lesson, students receive 20 goldfish.  Based on the story they eat the goldfish. Students write...
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. 
Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
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...
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...
Lesson Plan
University of Colorado

Solving a Mixed Up Problem

For Teachers 6th - 9th
Begin the process of adding and subtracting spectra. Having a basic understanding of occultation events, pupils begin the pursuit to determine what a found atmosphere might contain. Learners work with two graphs and calculate what the...
Handout
Math Centre UK

Fractions

For Students 3rd - 5th Standards
Reinforce fraction instruction with an informative worksheet equipped to provide independent practice, as well as guidance and modeling. Support is provided to boost proficiency in finding equivalent fractions, and adding,...
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...
Interactive
Scholastic

Study Jams! Subtraction with Regrouping

For Students 2nd - 4th Standards
Learning how to regroup when subtracting numbers can be challenging and requires a solid understanding of place value. Walk your class through the steps with a clear and explicit presentation that addresses standard regrouping and...
Lesson Plan
Curated OER

Rollie-Pollie - - Ceramic Art

For Teachers K - 3rd
Students are introduced to a variety of sculpting techniques: rolling, pinching and scoring. They practice utilizing additive and subtractive processes in making simple sculptural forms to depict bugs. Each student also interprets...
PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Worksheet
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Curated OER

Everyday Problems

For Teachers 4th - 6th Standards
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Organizer
Curated OER

Arithmetic with Positive and Negative Numbers

For Students 6th - 9th
In this arithmetic with positive and negative numbers worksheet, students 5 multi-step problems.  Students find the sum of positive and negative integers.  Students practive multiplying and dividing positive and negative...
Worksheet
Curated OER

Magic Squares, Simultaneous Equations, Hill Walking, and Diophantine Equations

For Students 9th
In this solving equations learning exercise, 9th graders solve and complete 21 various types of problems. First, they use the method shown to find the value of xin each equation. Then, students use an algebraic approach to solve the...
Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson plan, learners use Algebra blocks to demonstrate multiplying polynomials.