CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
EngageNY
If–Then Moves with Integer Number Cards
Pairs with the same sum of integer cards verify the addition and subtraction properties of equality by adding and subtracting like cards to each hand. They also justify the multiplication and division properties of equality using...
Curated OER
Adding and Subtracting Integers
Seventh graders review the concept of integers and how to combine them. They use the number line in different situations for the visual needed to see how adding can be done. Then students practice with numerical expressions.
Curated OER
Adding and Subtracting Integers
In this integers worksheet, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
Curated OER
Subtracting Integers
In this subtracting integers activity, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
Curated OER
Subtract Integers
In this subtracting integers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Adding and Subtracting Integers
Middle schoolers explore how to add and subtract integers. In this integer lesson students are broken into groups and participate in an activity that helps them investigate how to add and subtract integers.
Curated OER
Addition and Subtraction of Integers #1
In this addition and subtraction of integers #1 activity, learners solve 120 two digit problems with positive and negative numbers; there are 2 different sheets on a page, each with 60 problems.
Curated OER
Solving Multi-Step Inequalities
In this multi-step inequalities worksheet, 9th graders solve and complete 12 different problems that include solving using various steps. First, they use the distributive property to remove any grouping symbols. Then, students simplify...
Curated OER
Integer War
Sometimes all it takes for a good review is a game of cards. Review the processes needed to add, subtract, divide, and multiply integers. In groups, learners play the card game war with a twist. They can use the numbers as either...
Curated OER
Slippery Slope
Middle schoolers use a computer to complete activitites about slope. They find the slope of mountains, roofs, and stairs using rise over run. Pupils are shown different types of slopes and have to identify if the slope is positive,...
Curated OER
Explore Subtraction
Learnersare given 26 tables and graphs in which they must fill in missing numbers and graph equations. They subtract a given value of x from a constant number, and use a number line to subtract larger numbers from smaller ones resulting...
Virginia Department of Education
Integers: Multiplication and Division
Rules are meant to be broken ... but not integer multiplication and division rules. Learners use chips to model integer multiplication and division. The results of the activity help them develop integer rules for these operations.
Illustrative Mathematics
It's Warmer in Miami
Brrrr it's cold in Alaska! When given the temperatures of Anchorage and Miami in the winter, your mathematicians will calculate how much warmer it is in Miami. Answer key provides two different solution choices. Great as a warm-up for...
Curated OER
Subtracting Integers (II)
In this subtraction worksheet, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Curated OER
Solving Positive and Negative Numbers
In this positive and negative numbers worksheet, students solve 60 problems in which integers are added or subtracted. There are no hints or examples.
Curated OER
Integer Subtraction
Students examine why a negative number subtracted from another number changes the operation to addition.
Curated OER
Subtracting Integers
In this integer worksheet, students subtract integers to solve a set of 10 problems. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Absolute Value and Basic Operations With Real Numbers
Middle schoolers investigate the mathematical concept of absolute value by counting the number of steps taken in two directions. Using the number line the teacher can note how they can forward and backward without changing the absolute...
Curated OER
Is That Your Final Answer?
This unit on integers includes a pre-test, a post-test, four spreadsheets, and links to an interactive web-site to support the learning of integer operations. Access to computers and the Internet are imperative to this unit. The lessons...
Curated OER
Adding and Subtracting Integers
For this algebra worksheet, students solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Illustrative Mathematics
Bookstore Account
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
EngageNY
Solving Inequalities
Do properties of equations hold true for inequalities? Teach solving inequalities through the theme of properties. Your class discovers that the multiplication property of equality doesn't hold true for inequalities when multiplying by a...
Curated OER
Addition and Subtraction of Signed Numbers
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers lesson, students use pennies to represent positive and negative numbers. Students deposit and...