PPT
Curated OER

Counting on to add

For Teachers 1st - 2nd
A cute little frog helps learners hop from number to number on the number line as they count on to add. They use the commutative property of addition to add the same numbers two different ways. A cute, simple, and potentially helpful...
Lesson Plan
Curated OER

Jumping Addition

For Teachers 1st - 2nd
Students add and jump using a number line. In this jumping addition lesson students solve addition problems. Students work with a partner to solve a series of addition problems.  
Worksheet
1
1
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 3

For Students 3rd - 5th Standards
Make sure your class stays up with the times using this series of math newsletters. Including word problems that cover topics ranging from consumer math and symmetry to graphing and probability, these worksheets are a...
Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 4

For Students 4th Standards
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
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...
Printables
Curated OER

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Lesson Plan
Curated OER

Intro To The Number Line

For Teachers 6th - 8th
Middle schoolers identify numbers as having a magnitude and direction. They practice to order whole numbers and fractions on the number line. In addition, they practice these skills with describing places they've visited before.
Lesson Plan
Curated OER

A Human Number Line

For Teachers 8th
Eighth graders act out a number line using integers -10 to 10 on large cards. They practice addition and subtraction of these integers to gain explain the relative size of numbers.
Worksheet
Curated OER

Two-Digit Addition Problems With Regrouping

For Students 1st - 2nd
In this math worksheet, students solve two-digit addition problems with regrouping. The worksheet includes a number line to help students solve the problems.
Lesson Plan
Curated OER

Number Line Locomotion

For Teachers K - 2nd
Here is a great lesson that incorporates movement into academic learning. Pupils improve addition subtraction skills by using number lines and locomotor movement.
Worksheet
Curated OER

Addition & Subtraction

For Students 2nd - 3rd
In this addition and subtraction worksheet, students solve 4 different types of problems that include adding and subtracting numbers. First, they write addition or subtraction about each picture. Then, students write the correct...
Worksheet
Curated OER

Adding Signed Numbers

For Students 7th - 9th
In this middle school mathematics/Algebra I worksheet, students explore addition of signed numbers.  Problems are diagrammed on a number line for student interpretation.  The six page worksheet contains twenty-five problems...
Lesson Plan
Curated OER

The Random Walk

For Teachers 9th - 12th Standards
Deep mathematical thinking is found with just a coin and a number line. Combining computing some probabilities in a discrete situation, and the interpretation of a function, this simple task gives learners a lot to think about on...
Lesson Plan
Illustrative Mathematics

How Many Colored Pencils?

For Teachers 2nd - 4th Standards
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing...
Lesson Plan
Illustrative Mathematics

Grandfather Tang's Story

For Teachers K - 2nd Standards
It's amazing the complex figures that can be made using only a few simple shapes. Following a class reading of the children's book Grandfather Tang's Story by Ann Tompert, young mathematicians use sets of tangrams to create models...
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
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...
PPT
Curated OER

Adding and Subtracting: Examples

For Teachers 4th - 5th
If you'd like to show learners a variety of ways to solve addition and subtraction problems, consider this slide show. It contains several examples of four-digit addition and subtraction problems that are solved several ways. Vertical...
Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Worksheet
Curated OER

Integers and the Number Line

For Students 6th - 7th
In this integers and number line worksheet, students solve and complete 27 different problems that include identifying integers on a number line. First, they name the coordinate of each point on a number line. Then, students graph each...
Worksheet
DK Publishing

Addition with 3-Digit Numbers #1

For Students 2nd - 3rd Standards
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Worksheet
Edline

Adding and Subtracting Integers

For Students 1st - 3rd
When should you use a number line to add and subtract integers, and when should you use absolute values? Complete a set of worksheets designed to reinforce adding and subtracting integers with both standard problems and word problems....
Handout
1
1
West Contra Costa Unified School District

Adding Numbers

For Students K - 6th Standards
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.