PPT
Curated OER

Inverse

For Teachers 2nd - 4th
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
Unit Plan
EngageNY

Relationships Between Quantities and Reasoning with Equations and Their Graphs

For Teachers 6th - 10th Standards
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...
Worksheet
Curated OER

Worksheet 3.1 Functions

For Students 8th - 11th Standards
Middle and high schoolers complete and solve 12 various types of problems. First, they express the output as a function of the input in each table. Then, pupils evaluate for the given variable when the value is as stated. In addition,...
Lesson Plan
Curated OER

Grade 2: Exploring Place Value

For Teachers 2nd
Creative problem solving is fun and helps kids conceptualize content. They use grid paper, manilla paper, and markers to cut, draw, and show given double-digit numbers as many ways as they can.
Worksheet
Curated OER

Missing Numbers Addition [B]

For Students 2nd - 3rd
In this addition worksheet, students write the missing addend in a box, 24 simple addition problems total. Answers are included on page 2.
Worksheet
Curated OER

Missing Numbers Addition [C]

For Students 2nd - 3rd
In this addition worksheet, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
Lesson Plan
Curated OER

Add/Subtract Radicals College Prep Algebra

For Teachers 11th - 12th
In this radical worksheet, students add and subtract radicals containing positive and negative integers, variables, and exponents. They find the sum or difference for up to three terms in each equation. This worksheet contains 28 problems.
Lesson Plan
Virginia Department of Education

Cover Up Problems

For Teachers 6th - 9th Standards
Don't cover up this resource — use it out in the open! Pupils learn how to cover up various parts of a linear equation in order to help solve the equation. A worksheet of problems provides practice with this skill.
Lesson Plan
BBC

Simple Addition and Subtraction

For Teachers K - 1st
Here is a wonderful lesson designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
Worksheet
Curated OER

Topic 9.4 - Adding and Subtracting Rational Expressions

For Students 8th - 10th
This worksheet contains a good selection of problems of adding and subtracting rational expressions. There are eight problems. None of the problems have common denominators.  A few are mixed expressions and some require factoring....
Lesson Plan
Futures Channel

Algebra Magic

For Teachers 5th - 8th Standards
Abracadabra! Letters can be used in math to represent numbers with the operations of addition, subtraction, multiplication, and division to solve problems! Math magicians will participate in an activity that uses a calculator and a bag...
Worksheet
Curated OER

Speed Trials: Final Test

For Students 3rd - 5th Standards
How quickly can your third graders solve these 63 math problems? Ranging from addition, subtraction, multiplication, and division, you can use this resource to assess your learners' mental math. Cut the activity into thirds to make the...
Worksheet
Curated OER

Picture Graphs

For Students K - 1st Standards
An innovative way to practice reading data, as well as the four operations! Three picture graphs prompt first graders to count marbles, books, and pets. They also solve addition and subtraction problems. Additionally, they work on...
Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Worksheet
Curated OER

The Holiday Greeting Problem

For Students 8th - 9th
In this algebra worksheet, students decipher letters by replacing them with a number to make an addition problem. There is an answer key with this problem.
Worksheet
Curated OER

Missing Numbers Addition

For Students 1st - 3rd
In this addition and subtraction practice worksheet, students solve 24 problems that require them to write the missing numbers in the addition sentences.
Worksheet
Curated OER

Missing Numbers Addition (E)

For Students K - 2nd
In this addition and subtraction practice worksheet, students solve 24 problems that require them to write the missing numbers in the addition sentences.
Worksheet
Curated OER

Amusement Park Basic Word Problems

For Students 1st - 2nd
In this basic math word problem worksheet, students practice their math skills as they solve 4 word problems that require them to add and subtract.
Printables
Curriculum Corner

Order of Operations Task Cards (2)

For Students 4th - 7th Standards
Young mathematicians use their PEMDAS knowledge to solve 20 different task cards. They evaluate expressions to find the answer of multiplication, division, addition, subtraction, and exponential problems. Then, they record their answers...
Worksheet
Curated OER

Adding Negative Numbers

For Students 7th - 9th
For this algebra worksheet, students add and subtract negative numbers using their negative signs correctly. There are 27 problems dealing with adding negative numbers.
Lesson Plan
Curated OER

Algebra Flashcard Fun

For Teachers 9th
Ninth graders practice pre-algebra and algebra skills by solving and entering the correct answers.
Assessment
Inside Mathematics

Magic Squares

For Teachers 9th - 12th Standards
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra. 
Lesson Plan
Curated OER

Adding & Subtracting (Combining) Integers

For Teachers 5th - 7th Standards
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip...
Worksheet
Houghton Mifflin Harcourt

Intensive Math

For Students 5th - 8th Standards
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full...