Lesson Plan
Curated OER

Addition & Subtraction Properties With Integers

For Teachers 6th
Sixth graders use a number line to solve addition and subtraction problems. In groups, they play a game of "Human Number Line Relay." They use a deck of cards to randomly create addition and subtraction equations and physically walk a...
Worksheet
Curated OER

Addition and Subtraction 1

For Students 3rd
In this addition learning exercise, 3rd graders solve 10 addition math problems involving 2, 3 and 4 digit numbers. Students write their sums on the learning exercise.
Worksheet
Curated OER

Addition and Subtraction of Integers #1

For Students 8th - 9th
In this addition and subtraction of integers #1 worksheet, students solve 120 two digit problems with positive and negative numbers;  there are 2 different sheets on a page, each with 60 problems.
Lesson Plan
Curated OER

Solve Story Problems: Sold! A Mathematics Adventure

For Teachers K - 2nd
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Worksheet
Curated OER

Add and Subtract within 100

For Students 1st - 2nd
Practice problem solving with 10 word problems. Learners are encouraged to draw to solve each of these simple addition and subtraction word problems. Note: There are typos and some of the problems are awkwardly worded.
Lesson Plan
Curated OER

M & M Addition

For Teachers K - 1st
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
Worksheet
Curated OER

Add and Subtract to 100

For Students 1st - 2nd
Looking for practice problems to keep your math experts in top shape? Here are 10 problems in both addition and subtraction, all involving only double-digit numbers. Some of these involve borrowing and regrouping, so be sure your kids...
Lesson Plan
Curated OER

Investigation - Snack TIme

For Teachers K
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Lesson Plan
Curated OER

Adding And Subtracting Polynomials

For Teachers 6th - 9th
Students investigate the concept of adding and subtracting polynomials. They put terms in the correct order in order to solve them vertically. They simplify first with combining like terms and then conducting the calculations. The...
Lesson Plan
Curated OER

Problem Solvers

For Teachers 5th - 6th
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Worksheet
K12 Reader

Sum Difference

For Students 2nd - 3rd Standards
If you need a way to address math and reading in one lesson, look no further than a passage about inverse operations, complete with reading comprehension questions. Kids focus on context clues to determine the meanings of unfamiliar words.
Unit Plan
Buffalo State

Adding and Subtracting Positive and Negative Integers

For Teachers 7th
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
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...
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 of Whole Numbers

For Teachers 4th
Fourth graders answer word problems based on the fifty states. In this math word problem lesson, 4th graders understand that differences in problems require different math operations.
Lesson Plan
Curated OER

Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to...
Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
Worksheet
Curated OER

Fall Themed Math Word Problems

For Students 1st - 2nd
In this addition and subtraction worksheet, students read and solve problems. In his fill in the blank worksheet, students solve two problems.
Lesson Plan
Curated OER

Solving Equations with Addition and SUbtraction

For Teachers 9th - 11th
Learners solve linear equations. For this algebra lesson, students isolate the variable on one side of the equal sign and solve for x. They rewrite word problems and solve for x.         
Instructional Video3:09
New Mexico State University

Number Rights

For Students 2nd - 6th Standards
You do not have to be whole to be important. Individuals watch a video on the importance of rational numbers on the number line. Scholars use their knowledge to rename numbers on the number line as well as place rationals on a number...
Worksheet
Curated OER

Addition: Number Bonds to 40

For Students 2nd - 3rd Standards
In this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Lesson Plan
Alabama Learning Exchange

"Like Terms", I Add Them

For Teachers 9th Standards
Ninth graders add and subtract polynomials.  In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan.  Both the horizontal and vertical methods of addition and...
Worksheet
Curated OER

Write a Number Sentence

For Students 2nd - 3rd
In this number sentences worksheet, students learn to solve the addition and subtraction word problems by writing number sentences for each problem.