Interactive
Curated OER

Share this page Facebook Page Complex number addition

For Students 9th - 12th
In this online math activity, students practice adding positive and negative integers. When complete, students submit their answers and get instant feedback regarding their accuracy.
Lesson Plan
Curated OER

Ordering and Computing with Negative Fractions and Decimals

For Teachers 7th
Seventh graders explore the concept of computing negative fractions and decimals. In this negative fractions and decimals lesson, 7th graders compare ordering positive fractions to ordering negative fractions. Students use mirrors to see...
Lesson Plan
Curated OER

Additive Inverses

For Teachers 6th - 8th
Students investigate properties of additive inverses.  In this properties of additive inverses lesson, students discuss the what it means for two numbers to be opposites.  Students discuss representing opposite numbers using a...
Unit Plan
Buffalo State

Adding and Subtracting Integers Unit

For Teachers 6th - 7th Standards
Just because one integer is larger than another doesn't mean it will make sense right away. Go beyond note taking and show learners, through the use of algebra tiles and a Four-Pan Algebra Balance, how the numbers relate to one...
Worksheet
Curated OER

Introduction: Number Line Addition

For Students 2nd - 5th
In this addition activity, students learn how to use a number line when adding numbers between -9 and 9. First, they read 5 steps on how to use a number line. Next, students read through 2 practice problems in which the answer is...
Lesson Plan
Curated OER

Cherries Still Positive, Lemons Still Negative

For Teachers 3rd
Third graders explore positive and negative integers. This follows a lesson entitled, Cherries Are Positive, Lemons Are Negative and uses Cherry heads and Lemon heads.
Worksheet
Curated OER

Substitution Formula

For Students 8th - 9th
In this substitution formula worksheet, learners solve 9 various types of problems related to applying the substitution formula. First, they use a number line to add or subtract negative integers. Then, students substitute numbers for...
Lesson Plan
Curated OER

Number Line Game

For Teachers 3rd - 8th
Students understand number line concepts and the addition of positive and negative integers. In this number line lesson, students create and use a number line to play a game. Students will use different colored dice to represent positive...
Lesson Plan
Curated OER

Addition With Integers

For Teachers 8th
Eighth graders investigate the concept of combing integers using addition. They begin to comprehend the connection of addition and subtraction. Students also review the concept of positive and negative numbers.
Worksheet
Curated OER

Adding and Subtracting Integers Two

For Students 3rd - 6th
In this addition and subtraction worksheet, students add and subtract one and two digit numbers including negative numbers. Students complete 120 problems.
Lesson Plan
Curated OER

Addition and Subtraction of Real Numbers

For Teachers 6th - 8th
In this math worksheet, young scholars solve the problem using the operations of addition and subtraction. The answers are expressed as positive or negative numbers.
Worksheet
Curated OER

Math Bingo: Addition of Two Digit Integers

For Students 8th
In this addition bingo activity, 8th graders play bingo by calculating the sums of two digit positive and negative numbers.
Assessment
Concord Consortium

Last Digit Arithmetic

For Students 7th - 10th Standards
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve...
Lesson Plan
Bob Prior

The Order of Operations

For Teachers 6th - 8th Standards
Your learners use many different number representations like positive and negative integers, exponents, radicals, and combinations of operations as they learn and strengthen their use of the order of operations. Thoughtfully organized to...
Printables
1
1
Houghton Mifflin Harcourt

Unit 8 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Additive inverse, expression, and irrational numbers are a few terms you'll find when you use a set of 22 flashcards designed to reinforce math vocabulary. The set includes two types of cards; a bold-faced word card, and a corresponding...
Lesson Plan
Curated OER

Modular Mathematics

For Teachers 6th - 8th
Learners are introduced to modular mathematics. They start by making clocks for different bases. They use their clocks to count, using the base, and then finding the mod or remainder. They explore both positive and negative numbers with...
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 6th - 7th
Sixth and seventh graders solve 10 different problems that include various integers. First, they determine whether each equation in the first five problems is true or false. Then, pupils solve the last five problems by adding or...
Worksheet
Curated OER

Solving Inequalities

For Students 8th - 9th
In this solving inequalities worksheet, students solve and complete 22 different problems that include using addition and subtraction to solve each one. First, they solve each inequality by getting the variable on one side alone. Then,...
Worksheet
Curated OER

Addition and Subtraction of Integers #1

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

Adding and Subtracting Integers

For Students 4th
In this online interactive integers worksheet, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online when done with...
Lesson Plan
Curated OER

Introduction to the Number Line

For Teachers 5th - 6th
Students explore addition and subtraction of positive and negative numbers using a number line. In this number line lesson, students observe the teacher moving a magnet on a magnetic number line according to the operation being...
Worksheet
Curated OER

Radical Equations

For Students 9th
In this radical equations worksheet, 9th graders solve 10 different problems that include various radical equations. First, they isolate the variable in each equation. Then students solve by undoing the addition or subtraction, which...
Worksheet
Curated OER

Addition of Absolute Value of Numbers #3

For Students 4th - 5th
In this addition worksheet, students add absolute value of numbers, positive and negative, in a set of 10 problems. Answers are included on page 2.
Worksheet
National Security Agency

Integers: Quick, Fun and Easy To Learn

For Students 6th Standards
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary...