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
CK-12 Foundation

Sums of Integers with Different Signs: Adding Between 10 and -10

For Students 6th - 8th Standards
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...
Interactive
CK-12 Foundation

Addition of Integers: Number Blocks

For Students 3rd - 8th Standards
A five-question interactive provides a horizontal number line where integers are stacked on top of one another to find solutions of addition problems. Mathematicians move numbers to the numbers line, as numbers build higher, the sum of...
Interactive
CK-12 Foundation

Properties of Real Number Addition: The Secret of Subtraction

For Students 6th - 8th Standards
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
Interactive2:22
Scholastic

Study Jams! Integers

For Students 4th - 6th Standards
Stay positive, teaching about integers just got a little easier! Explain how positive and negative numbers are opposites using number lines and real-world examples. The included assessment provides an excellent opportunity to check for...
Interactive
Curated OER

Addition: Math 7

For Students 3rd
In this addition worksheet, 3rd graders complete 30 problems in which they add a two digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Interactive
Curated OER

Addition: Math 8

For Students 3rd
In this addition worksheet, 3rd graders complete 30 problems in which they add a two digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Interactive
Curated OER

Addition: Level 3: Exercise Carryovers

For Students 2nd - 3rd
In this addition instructional activity, students complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line.
Interactive
Curated OER

Addition: Level 3: Exercise 2 (Carryovers)

For Students 2nd - 3rd
In this addition worksheet, students complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Interactive
Curated OER

Addition: Level 3: 2x1 Exercise 1 (carryovers)

For Students 3rd
In this addition worksheet, 3rd graders complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Interactive
CK-12 Foundation

Distance Between Two Points: Segment Addition

For Students 9th - 12th Standards
Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...
Interactive
Curated OER

Concept: Adding Integers

For Teachers 4th - 6th
In this integers online interactive worksheet, students complete a chart on adding integers and rewrite 11 positive integer questions without the positive signs. Students solve 2 online integer word problems on the lines provided.
Interactive
Arcademics

Orbit Integers

For Students 6th Standards
Add integers within space. Up to four individuals race through space in a fun online game. Pupils answer integer addition problems with correct answers which provides the spaceship with an additional burst of speed.
Interactive
CK-12 Foundation

Properties of Multiplication in Decimal Operations: Balloon Animals

For Students 5th - 8th Standards
Commutive and associative properties are the focus of a five-question interactive. Dealing with decimal multiplication and addition, mathematicians solve multiple-choice and true or false questions using a model that moves balloons along...
Interactive
Arcademics

Skateboard Pups

For Students 2nd - 5th Standards
Players skate their way to the finish line by adding and subtracting two-step expressions as fast as possible.
Interactive
CK-12 Foundation

Vector Multiplied by a Scalar: Boat Race

For Students 11th - Higher Ed Standards
Find the right number of vectors to get to the finish line. Using a boat race scenario, pupils add multiples of the same vector together. The scholars use scalar multiplication to speed up the boats in an exciting race to the finish. 
Interactive
Curated OER

Brain Booster: Estimation and Repeated Addition

For Students 4th - 5th
In this daily math problem worksheet, students complete three activities that help use estimation and solve problems with repeated addition. Students show their work using pictures, numbers, or words and may use cubes, number lines or...
Interactive
Curated OER

Word Problems With Both Addition And Subtraction

For Students 3rd - 5th
In this on-line addition and subtraction instructional activity, students complete 2 multiple choice word problems containing both operations. Students can check their answers at the end of the instructional activity.
Interactive
Cold Spring Harbor Laboratory

A Half DNA Ladder Is a Template for Copying the Whole

For Students 9th - 12th Standards
The experiment known as one of the most beautiful experiments in biology changed the way we think about DNA. Learn about the experiment and the scientists who designed it—as well as the scientists who built on the results—with an online...
Interactive
Curated OER

Statistical Calculations Using M&Ms

For Students 8th - 11th
In this frequency worksheet, students investigate, frequency, box plots, and percentage using a package of M&Ms.  Copies of the actual correspondences with the Mars company are also included.
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

Graphing of Functions Using First and Second Derivatives

For Students 11th - 12th
In this calculus learning exercise, students solve problems using the first and second derivatives. They define the behavior of the function based on the derivative. There are 11 questions with an answer key.
Interactive
Curated OER

Dazzling Decimals: Pre Test

For Students 5th - 8th
In this decimals activity, students complete multiple choice questions where they answer questions about decimals on a hundreds block and add numbers with decimals together. Students complete 10 problems.
Interactive
Curated OER

Sunspots and the Sun's Rotation

For Students 6th - 9th
For this sun worksheet, students use a Sunspotter to observe the rotation of the sun by identifying the presence of sunspots and watching them rotate over time. Students calculate how many days it takes to see the sunspots they observe...