Interactive
CK-12 Foundation

Addition of Integers: Polka Dots

For Students 7th Standards
What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...
Interactive
Curated OER

Accentuate the Positive!

For Students 7th - 8th
Students participate in an interactive online activity about adding, subtracting, multiplying, and dividing positive and negative integers. Students look at sample problems through out the activity and have the opportunity to complete ...
Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
Interactive
Curated OER

Subtracting Integers (II)

For Students 5th - 10th
In this subtraction instructional activity, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Interactive
Curated OER

Subtracting Integers

For Students 4th - 6th
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.
Interactive
Curated OER

Adding Integers

For Students 5th - 6th
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
Interactive
Curated OER

Adding Integers II

For Students 5th - 6th
In this adding integers worksheet, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
Interactive
Arcademics

Arcademics: Orbit Integers

For Students 5th - 8th
Orbit Integers is a multi-player racing game that allows students from anywhere in the world to race one another while practicing adding and subtracting integers!