Curated OER
Add and Subtract Fractions with Like Denominators: 2 (Word Problems)
For this fraction instructional activity, fourth and fifth graders solve six word problems, all having to do with adding or subtracting fractions with like denominators. This instructional activity can be adapted to the Common Core...
Curated OER
Adding and Subtracting Rational Expressions
In this algebra worksheet, learners add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
K-5 Math Teaching Resources
Subtracting Mixed Numbers (Unlike Denominators)
Young mathematicians demonstrate their ability to subtract mixed numbers by completing this collection of fraction word problems. From figuring out the weight of objects in a package, to finding the difference in height between two...
Curriculum Corner
Penguin Decimal Computation Scoot
Fourth and fifth graders use a set of 28 decimal computation cards as a way to practice adding and subtracting decimals. As students move to the various cards placed around the room, they write the answer to each card on their recording...
Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math activity. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
EngageNY
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
Mathed Up!
Addition and Subtraction
After watching a brief video on addition and subtraction, young mathematicians are put to the test. Including 12 problems, individuals solve word problems to find the least number, total amount, and difference of numbers.
Curated OER
Add and Subtract Decimal Tenths (F)
In this adding and subtracting decimals and whole numbers worksheet, students find the sums and differences of tenths. Students solve 32 problems.
Curated OER
Add and Subtract Decimal Tenths (E)
In this adding and subtracting decimals and whole numbers worksheet, students find the sums and differences for the decimal tenths. Students solve 32 problems.
Curated OER
Looking Through the Algebraic Lens
Students work with rectangles to find generalizations for adding and subtracting odd and even numbers in part one of the lesson. In part two, students use geoboards to construct polygons, look for patterns, and find a general rule.
K-5 Math Teaching Resources
Large Five Frames with Dots
Enhance young mathematicians' counting strategies using this large five frames printable. Here, you'll find a large one by five array with red counters to support adding and subtracting through visual images of numbers one through...
Ohio Department of Education
Actions with Fractions: Adding and Subtracting Fractions with Common Denominators
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
Curated OER
Add and Subtract Integers Worksheet
In this adding and subtracting integers worksheet, learners review integer rules by completing 19 drill and practice questions. They work in pairs to compute the total left in a fictitious bank account after several withdrawals and...
Granite School District
Kindergarten CCSS Math Vocabulary Word List
Help kindergartners develop the academic language they need to master the Common Core standards with this list of math vocabulary. Including the definitions of each term as well as a set of word cards with supporting images and examples,...
Mathematics Assessment Project
Using Positive and Negative Numbers in Context
Measure the temperature of your math class with a temperature-based lesson plan 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...
Oddrobo Software
King of Math Junior
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
K-5 Math Teaching Resources
Small Five Frames with Dots
Working on adding and subtracting small numbers? Introduce five frames with a resource that visually supports your mathematicians' growing proficiency with counting strategies.
EngageNY
Addition and Subtraction Formulas 1
Show budding mathematicans how to find the sine of pi over 12. The third lesson in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using the distance...
Doina Popovici
Soccer Addition and Subtraction
Students compete on two teams practicing adding and subtracting whole numbers. After each correct answer, students attempt to make a goal by kicking a soccer ball.
Curated OER
Adding and Subtracting Polynomials
In this algebra worksheet, learners are asked to add and subtract polynomials by combining like terms and using the distributive properties correctly. There are 24 questions with an answer key.
Curated OER
How Do You Spend Your Money?
Fifth graders examine ways to save and spend money. They look at ways that people earn, save, and spend money using chapters from Tom Birdseye's Tarantula Shoes. They add and subtract decimals to fill in a worksheet entitled, "Is It a...
Curated OER
Addition and Subtraction: numbers to 20
Does your school encourage learning math facts or fast facts? If it does you can definitely use this resource. There are 20 lists, each list contains 10 problems, and each problem set focuses on adding and subtracting specific numbers,...
EngageNY
The Geometric Effect of Some Complex Arithmetic 1
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...