Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as they...
Henrico County Public Schools
Models for Teaching Addition and Subtraction of Integers
Positive and negative numbers are everywhere in the world around us. Whether it's charged particles in atoms, a hot air balloon rising and falling in the sky, or a series of bills and checks being delivered in the mail, this resource...
Scholastic
Study Jams! Addition & Subtraction Equations
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
PBS
Adding Integers
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
Curated OER
Math Cross--Puzzle #1
In this addition, subtraction and multiplication activity, students complete a math crossword puzzle as they complete twenty-eight addition, subtraction and multiplication problems.
Curated OER
Math Cross--Puzzle #3
In this associative property worksheet, students complete a math crossword puzzle as they solve twenty-eight addition, subtraction and/or multiplication problems.
Curated OER
Math Cross--Puzzle #5
In this inches and feet worksheet, students fill in a math crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems involving inches and feet.
Curated OER
Math Cross--Puzzle #2
In this number patterns instructional activity, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
Curated OER
Math Cross--Puzzle #11
In this time activity, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems involving days, weeks and hours.
Curated OER
Math Cross--Puzzle #7
In this money worksheet, students fill in a crossword puzzle as they solve twenty-eight math problems involving different types of money intertwined into addition, subtraction and multiplication problems.
Curated OER
Math Cross--Puzzle #8
In this pounds and ounces worksheet, students complete a math crossword puzzle as they solve twenty-eight math problems involving pounds and ounces intertwined with addition, subtraction and multiplication problems.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Curated OER
Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun instructional activity on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip...
Curated OER
Deciphering Word Problems in Order to Write Equations
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...
Curated OER
Integer Addition
Seventh graders explore the concept of integer addition. In this integer addition lesson, 7th graders tell stories involving addition and subtraction. Students walk on a number line given directions such as add 3 or add -2. Students play...
Curated OER
Math Cross--Puzzle #4
For this single digit addition, subtraction and multiplication worksheet, students complete a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
Curated OER
Math Cross--Puzzle #29
This worksheet requires completing a crossword puzzle by determining the answers to 28 math problems, math equations, and various word problems involving addition, subtraction, multiplication and division strategies.
Curated OER
Using Models to Add Integers II
In this adding integers activity, students solve 20 short answer problems. Students use integer chips to model adding positive and negative integers. Students remove zero pairs to get the solution.
Willow Tree
Number Properties
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and study the...
Math Centre
Fractions: Adding and Subtracting
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students to working...
Buffalo State
Adding and Subtracting Positive and Negative Integers
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...
University of Missouri
Money Math
Young mathematicians put their skills to the test in the real world during this four-lesson consumer math unit. Whether they are learning how compound interest can make them millionaires, calculating the cost of remodeling their bedroom,...
Eisenhower Regioanl Consortium for Mathematics and Science Education
Lesson 10: Integer Addition and Subtraction (for the TI-73 only)
Using a number line on the floor made from masking tape and manipulatives, learners observe a demonstration of the addition and subtraction processes. After completing several worksheets, they solve three-term problems using calculators...
Curated OER
Playing Math Fever
Pupils complete activities to learn notation and uses for positive and negative numbers. In this number system lesson, learners play a game similar to Jeopardy to learn how to solve problems with positive and negative numbers.