Handout
Oswego City School District

Regents Exam Prep Center: Add and Subtract Rational (Fractional) Expressions

For Students 9th - 10th Standards
Add and subtract rational expressions like a pro after you use this site. Finding common denominators is made easy with this tutorial. Try the example problems to test your knowledge, then check the solutions. The 'Topic Index' page...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems 2

For Students 3rd - 5th Standards
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Lesson Plan
Better Lesson

Better Lesson: Using Models to Add and Subtract

For Teachers 2nd Standards
Common Core standards encourage the use of models to build understanding in math. This lesson shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 4th - 6th Standards
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
CK-12 Foundation

Ck 12: Algebra Ii: Addition and Subtraction of Polynomials

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.
Interactive
PBS

Pbs Learning Media: The Number Line: Rational Numbers and Football

For Students 6th - 8th Standards
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.
Unit Plan
PBS

Pbs: The Number Line: Rational Numbers and Football

For Students 6th - 8th
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
Activity
University of Regina (Canada)

University of Regina: Math Central: Intelli Gum: A Success Story

For Teachers 6th - 8th
Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...
Unit Plan
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Matrix Addition and Scalar Multiplication

For Students 9th - 10th Standards
Students learn about matrix addition and subtraction, and scalar multiplication. The tutorial consists of class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
Lesson Plan
Khan Academy

Khan: Lsn 11 Ops W Polynomials, Rewriting Expressions, Quad Functions, Equations

For Students 9th - 10th
Lesson 1 of 4 for Passport to Advanced Math. Students will add, subtract, and multiply polynomials. They will build quadratic functions and write equations to represent a context.
Lesson Plan
Intel Corporation

Intel: Fractions Made Visual

For Teachers 3rd - 5th Standards
Students learn the importance of math accuracy and, more specifically, that knowing how to add, subtract, multiply, and divide fractions make life easier for everyone. To help students come to this understanding, they are assigned to a...
Interactive
Calculator Soup

Calculator Soup: Math Equation Solver

For Students 9th - 10th
Solve math problems using order of operations like PEMDAS, BEDMAS and BODMAS. This calculator solves math equations that add, subtract, multiply and divide positive and negative numbers and exponential numbers. You can also include...
Unknown Type
Paul Dawkins

Paul's Online Notes: Polynomials: Practice Page

For Students 9th - 10th
Practice exercise reviews how to how to add, subtract and multiply polynomials.
Interactive
Calculator Soup

Calculator Soup: Complex Fractions Calculator

For Students 9th - 10th
A complex fraction is a fraction that contains another fraction. Use this Complex Fractions Calculator to do math and add, subtract, multiply and divide complex fractions. Fraction answers are provided in reduced form (lowest terms).
Interactive
Calculator Soup

Calculator Soup: Scientific Notation Calculator

For Students 9th - 10th
Use this calculator to add, subtract, multiply and divide numbers in scientific notation, E notation, or engineering notation. Answers are provided in three formats: scientific notation, E notation, and engineering notation.