Curated OER
Adding and Subtracting Integers
In this algebra instructional activity, students solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Curated OER
Integer Subtraction
Students examine why a negative number subtracted from another number changes the operation to addition.
Curated OER
Zero is Our Hero (Grades 6-9)
Students become interactive participants in introductory and practice activities involving positive and negative numbers. After watching a video, students play games together which help them use positive and negative numbers effectively.
Curated OER
Adding Integers from -99 to 99
For this adding integers form -99 to 99 worksheet, 8th graders solve 24 problems on a page, for 20 pages, answers included, with positive and negative integers in horizontal format.
Curated OER
Subtracting Integers with Counters
Students subtract integers using counters. In this algebra lesson, students solve linear equations using an online tool. They use subtraction to isolate the variable.
Curated OER
Integer War Game
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
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...
Illustrative Mathematics
Above and below sea level
Using the real-world example of elevation, above or below sea level, young mathematicians interpret expressions using negative signs, and absolute value. This task provides a good opportunity to discuss the notion of magnitude and...
EngageNY
Efficiently Adding Integers and Other Rational Numbers
Develop the rules for adding rational numbers. Pupils continue to work on adding integers. Young mathematicians use their experiences to develop the rules for adding integers with like and unlike signs. They finish the lesson plan by...
Curated OER
Solving Inequalities With Both Principles
In this solving inequalities worksheet, students solve inequalities with variables on both sides. They state the solution set of the inequality. This two-page worksheet contains 30 problems.
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 Negative Numbers
In this positive and negative numbers worksheet, students solve 50 problems in which positive and negative integers are added and subtracted. There is detailed instruction provided. This page was intended to be an online activity, but...
Curated OER
Balance Adding Integers
In this positive and negative numbers activity, students complete a balance sheet by writing positive and negative numbers in the space to match transactions. They find the balance of the account. This one-page activity...
Curated OER
Positive and Negative Dominoes
Young scholars play dominoes with regular dominoes rules with some modification. Every student keep score. Every count be used--not just the 5's as in dominoes. They count outside points using white dots as positive and red dots as...
Curated OER
Self-esteem Activity
Students create lists of positive and negative feelings and have discussions on the power of positive thinking. In this feelings lesson plan, students dissect situations where others are being negative.
Curated OER
Adding Negative Numbers
In this middle school activity, students add signed numbers. The two page activity contains thirty questions. Answers are not provided.
Curated OER
Go Negative
Fourth graders advance to new levels in the lesson we're dealing with here. It is the fourth of a sequence of six dealing with the same theme. These develop from Level 2 to Level 5. In the process they involve number concepts at the...
Curated OER
Comparing Negative Fractions, Mixed Numbers and Decimal
Seventh graders explore the concept of negative rational numbers. In this negative rational numbers instructional activity, 7th graders discuss similarities between positive and negative rational numbers. Students predict what rational...
Curated OER
Simple Present Sentences: Negatives
For this simple present negative sentences worksheet, learners change each sentence from a positive to a negative statement with hints and answers available.
Curated OER
Introduction to Pre-Algebra
Students explore adding and subtracting positive numbers. Students discuss the use of algebra in our daily lives. They examine the algebraic equations and observe their solutions. Students work on the board and at their desks to solve...
Curated OER
Negative Numbers
In this negative numbers worksheet, students draw an arrow from the numbers to their correct positions on the number line. Students complete 4 problems, and both positive and negative numbers are included.
Curated OER
Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers
Students demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Curated OER
Positive/Negative Number Lines Addition Quiz
In this positive/negative number line addition worksheet, students complete 10 problems. They add positive numbers, negative numbers, or positive to negative numbers using the number lines that are located next to each problem.
Curated OER
Simplifying Multiple Signs and Solving
For this simplifying multiple signs worksheet, students simplify signs in equations and then produce a solution to them. They may type their answer into the worksheet, and automatically check answers. Students must complete one...