Worksheet
Curated OER

Addition and Subtraction of Real Numbers

For Students 5th - 6th
In this real numbers worksheet, students solve and complete 80 various types of problems. First, they add like terms using the proper sign. Then, students subtract like terms and write the correct sign for each answer.
Lesson Plan
Curated OER

Complex Numbers

For Teachers 10th - 12th
In this complex numbers worksheet, students write numbers as a multiple of i. They add and subtract imaginary numbers. Students write complex quotients in standard form. This three-page worksheet contains six problems.
Worksheet
Curated OER

Missing Values of Coins 2

For Students 2nd - 4th
In this adding coins learning exercise, students use their problem solving skills as they fill in the missing value in 18 problems that require them to add and subtract monetary amounts.
Lesson Plan
Curated OER

Checking Account

For Teachers 5th - 8th
Students keep track of finances in a check register. For this checking account lesson, students practice writing checks and deposit slips as they add and subtract decimal amounts in order to balance a checkbook in a register.
Worksheet
Curated OER

Addition/Subtraction Mixed - Single Digit

For Students K - 1st
In this single digit addition and subtraction practice worksheet, students solve 8 problems that require them to add and subtract 1 digit numbers.
Worksheet
Curated OER

Answer Match

For Students 2nd - 3rd
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
Worksheet
Math Mammoth

Three Denominators

For Students 5th - 6th
For this common denominator worksheet, students learn to add three fractions using common denominators. Students then practice by adding and subtracting fractions using common denominators.
Lesson Plan
Curated OER

The Big Buck Adventure

For Teachers 3rd - 4th
Students practice making change, and adding and subtracting money. In this money lesson, students listen to a reading of The Big Buck Adventure by Shelley Gil. They access teacher assigned web sites to practice making change, adding...
Lesson Plan
Curated OER

Square Roots and Exponents

For Teachers 11th
Eleventh graders solve problems with roots and exponents. For this algebra lesson, 11th graders use the properties of powers to help them multiply, add, subtract and divide exponential functions. They take the square root of rational and...
Lesson Plan
Curated OER

A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Lesson Plan
Illustrative Mathematics

Writing Expressions

For Teachers 6th - 8th Standards
Practice writing algebraic expressions from written phrases. The objective is to consider two seemingly similar phrases, write them as algebraic expressions, and then simplify using the order of operations. Learners are challenged to...
Handout
University of Wisconsin

Fraction Rules

For Students 4th - 6th Standards
Both a reference sheet and skills practice activity, this handout on common fraction rules reviews steps for adding, subtracting, multiplying, and dividing fractions. Twenty examples are provided to demonstrate these skills, and although...
Lesson Plan
Curated OER

Word Problem Exchange

For Teachers 4th - 12th
Students discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
Worksheet
Helping with Math

Fractions: Subtracting Mixed Numbers (Different Denominator)

For Students 5th - 6th Standards
If your math magicians have mastered adding and subtracting with uncommon denominators, here is a challenge: subtract mixed numbers with uncommon denominators. The values are pretty easy to work with, so this would be appropriate for...
Worksheet
DK Publishing

Tricky Word Problems - Choosing the Operation

For Students 2nd - 3rd Standards
Decipher the equations in these addition and subtraction word problems. Two examples at the top of the page guide second graders as they solve the rest of the problems. There is no space to write out the equation, but there is a place to...
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Lesson Plan
Curated OER

Water: From Neglect to Respect

For Teachers 5th - 8th
The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...
Worksheet
Curated OER

Exercise Set 2.6: An Introduction to Functions

For Students 9th - 12th
In this functions worksheet, students solve 70 short answer questions. Students find domain of functions and evaluate them for a given value. Students determine if a mapping diagram represents a function.
Worksheet
Helping with Math

Addition: Number Bonds to 20

For Students 1st - 3rd Standards
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.
Lesson Plan
Curated OER

Fractions of A Pizza

For Teachers 3rd - 5th
Students view a large illustration of a pizza with parts of velcro.  In this addition and subtraction of fractions lesson plan, students solve problems based on the pieces missing from the pizza. Students take a fraction quiz. Order...
Lesson Plan
Alabama Learning Exchange

Color This Polynomial Simplified

For Teachers 8th - 10th Standards
Help learners use a variety of methods to identify, visualize, and simplify polynomials with like terms. Several different visuals are used to introduce the instructional activity, such as colored pencils, overheads, interactive white...
Lesson Plan
Curated OER

Ten Frame

For Teachers Pre-K - 2nd
Students add numbers to ten.  In this addition to ten lesson plan, students play the Ten frame interactive game to learn about addition and facts to number ten.
Handout
Charleston School District

Solving with Inverse Operations

For Students 8th Standards
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those...
Assessment
1
1
California Education Partners

John's Trip Disneyland

For Students 5th Standards
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...