Interactive
2
2
Scholastic

Study Jams! Add & Subtract with Common Denominators

For Students 3rd - 6th Standards
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
Interactive
Scholastic

Study Jams! Add & Subtract Measurements

For Students 4th - 6th
How much leopard print fabric will Zoe need to upholster a sofa for her jam studio? This problem is the example used to teach how to add and subtract measurement-related values.
Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Interactive
CK-12 Foundation

Add and Subtract Decimal Numbers: Losing Little Bits

For Students 4th - 6th Standards
An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include...
Interactive
2
2
Scholastic

Study Jams! Add & Subtract with Unlike Denominators

For Students 5th - 7th Standards
Your bakers might not realize that they need to know how to add with unlike denominators in order to figure out how much milk they need for a recipe. In order to make brownies and cookies, this lesson teaches how to find a common...
Interactive
Curated OER

Adding and Subtracting Fractions (With Unlike Denominators)

For Students 5th - 6th
In this math worksheet, students subtract and add fractions with unlike denominators. Students solve the problem in steps. They are given examples of how to solve the problems.
Interactive
CK-12 Foundation

Adding and Subtracting Matrices: The Matrix Calculator

For Students 10th - 12th Standards
Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also...
Interactive
1
1
Scholastic

Study Jams! Add & Subtract Mixed Numbers

For Students 5th - 7th Standards
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
Interactive
1
1
Scholastic

Study Jams! + and - Without Regrouping

For Students 1st - 4th Standards
Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...
Interactive
CK-12 Foundation

Simplify Sums or Differences of Single Variable Expressions: Addition and Subtraction of Like Terms

For Students 7th - 9th Standards
Investigate the process of combining like terms using an interactive animation. Scholars tackle simplifying expressions by manipulating rectangles that represent the terms. They add and subtract terms to arrive at the result.
Interactive
CK-12 Foundation

Whole Number Subtraction: Penguins Go for a Swim

For Students 6th
As penguins jump off of an iceberg, young mathematicians count the remaining penguins in order to discover the whole number subtraction answer. As they work through the questions, they can manipulate the red dot to add and subtract more...
Interactive
PHET

Make a Ten

For Students 1st - 2nd Standards
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Interactive
Funbrain

Math Baseball

For Students K - 5th Standards
Hey batter, batter, swing! Reinforce math concepts with a baseball-themed interactive. Scholars add, subtract, multiply, and divide numbers with an interactive math resource. Custom-tailored to their proficiency level, the activity is...
Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
Interactive
CK-12 Foundation

Conversions between Degrees and Radians: Charting Hours in the Day

For Students 10th - 12th Standards
Forget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...
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

Adding and Subtracting Fractions

For Students 3rd - 5th
In this math learning exercise, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
Interactive
Curated OER

Adding and Subtracting Fractions

For Students 4th - 8th
In this adding and subtracting fractions activity, students add and subtract fractions with common denominators. Students complete 10 problems total.
Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Interactive
CK-12 Foundation

Differences of Fractions with Different Denominators

For Students 6th - 8th Standards
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
Interactive
Scholastic

Study Jams! Addition & Subtraction Equations

For Students 5th - 7th Standards
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...
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
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...