Refine Your Results

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

2,122 resources with the concept subtraction

Videos (Over 2 Million Educational Videos Available)
How Computers Work: What Makes a Computer, a Computer? Video
5:10
How Computers Work: What Makes a Computer,...
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
10:23
Algebra 50 - Three Variable Systems in the...
Biography of Mary Cassatt for Kids: Famous Artists for Children - FreeSchool Video
4:59
Biography of Mary Cassatt for Kids: Famous...
Other Resource Types (2,122)
+
20 Items in Collection
Lesson Planet: Curated OER

Math Antics Fractions Video Lessons

For Teachers 3rd - 6th Standards
A series of short videos demonstrate for learners how to work with fractions. The first video in the series defines fractions as being a representation of parts of a whole. As the series continues, viewers learn ways to write division...
+
32 Items in Unit Module
EngageNY

EngageNY Precalculus and Advanced Topics Module 1: Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Prepare your mathematicians for calculus with a collection of 32 lessons that focus on three topics: linearity, complex number operations as transformations, and the power of right notation. Each lesson includes teacher materials...
+
36 Items in Unit Module
EngageNY

EngageNY Grade 6 Math Module 4: Expressions and Equations

For Teachers 6th Standards
A 36-part unit boosts sixth-graders' math skills with a focus on expressions and equations. Scholars take part in 34 lessons that offer direct instruction, guided and independent practice, as well as collaborative learning opportunities....
+
20 Items in Collection
Lesson Planet: Curated OER

Common Core Math: 3rd Grade

For Teachers 3rd Standards
Looking for all things third grade Common Core math? Here is the collection you've been waiting for! Third grade math curriculum is rigorous and opens up the doors to bigger algebra concepts that learners will use their entire lives....
+
12 Items in Collection
Lesson Planet: Curated OER

3rd Grade Math Word Problems Worksheets

For Teachers 2nd - 4th Standards
Reinforce math concepts with a collection that offers twelve worksheets focusing on solving word problems. Addition, subtraction, multiplication, division, and more make up the variety of math skills supported through independent practice. 
+
7 Items in Collection
Lesson Planet: Curated OER

Mathematics Instruction Parent Guides

For Teachers 3rd - 6th Standards
Provide parents and guardians with the support needed to assist their child in today's math strategies. Here you will find a collection compiled of seven reference sheets each covering a different mathematical concept—addition,...
+
Lesson Planet: Curated OER

Order of Operations Task Cards (2)

For Students 4th - 7th Standards
Young mathematicians use their PEMDAS knowledge to solve 20 different task cards. They evaluate expressions to find the answer of multiplication, division, addition, subtraction, and exponential problems. Then, they record their answers...
+
Lesson Planet: Curated OER

Grade 1 Supplement Set A3 - Number and Operations: Addition and Subtraction on the Number Line

For Teachers 1st Standards
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
+
1
In 1 Collection
Lesson Planet: Curated OER

Making Math More Fun

For Teachers K - 5th Standards
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a game...
+
1
In 1 Collection
Lesson Planet: Curated OER

Pre-K Mathematics

For Teachers Pre-K - 1st Standards
Kick-start children's education with this pre-school math unit. Offering 31 different hands-on learning activities that develop young mathematicians' pattern and shape recognition, basic number sense, and much more, this is a must-have...
+
4:16
Lesson Planet: Curated OER

EdTech Tuesdays: Todo K-2 Math Practice

For Teachers K - 2nd
Support your youngsters as they learn basic math skills by providing this app! Jennifer and Rich demonstrate how practice addition and subtraction and use the main features of the app.
+
Lesson Planet: Curated OER

All About Money

For Teachers K - 3rd Standards
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
+
Lesson Planet: Curated OER

TeachMe: 1st Grade

For Students K - 2nd Standards
Let your eager learners practice their basic arithmetic and spelling skills with this fun interactive resource! For any primary grade teacher with access to an Apple mobile device, this is a must-have application.
+
Lesson Planet: Curated OER

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.
+
Lesson Planet: Curated OER

Study Jams! Addition & Subtraction of Decimals

For Students 4th - 6th Standards
So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...
+
Lesson Planet: Curated OER

Arithmetic Maker

For Teachers K - 6th Standards
With endless possibilities, you can create custom flashcards to take to class as easy as 1, 2, 3! Let this flashcard creator do the work for you, just chose the level of difficulty, add or subtract, and the number of place values. Each...
+
Lesson Planet: Curated OER

Study Jams! Subtraction with Regrouping

For Students 2nd - 4th Standards
Learning how to regroup when subtracting numbers can be challenging and requires a solid understanding of place value. Walk your class through the steps with a clear and explicit presentation that addresses standard regrouping and...
+
1
In 1 Collection
Lesson Planet: Curated OER

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...
+
1:47
Lesson Planet: Curated OER

Subtracting Negatives

For Teachers 5th - 8th
The teacher shows four different examples of subtracting negative numbers by leaving the first value the same and then adding the opposite of the second value.
+
Lesson Planet: Curated OER

Tricky Word Problems - Choosing the Operation

For Students 2nd - 3rd Standards
Decipher the equations in these addition and subtraction word problems. Two examples at the top of the page guide second graders as they solve the rest of the problems. There is no space to write out the equation, but there is a place to...
+
Lesson Planet: Curated OER

Fractions: Subtracting Like Denominators

For Teachers 3rd - 5th Standards
These presentations, designed by Monica Yuskatis, are among the best math PowerPoints you can find. Use this one to lead your pupils through the steps needed to subtract fractions with like denominators, then simplify the answers into...
+
Lesson Planet: Curated OER

Real-life Word Problems, Part 5

For Students 2nd - 4th Standards
Bring these four word problems to your second grade class to reinforce addition, subtraction, and money math. The problems provide space to write out the proper equations, as well as separate areas to fill in the answers. Use these...
+
1
In 1 Collection
Lesson Planet: Curated OER

Fraction - Subtracting Unlike Denominators

For Teachers 4th - 6th
These presentations by Monica Yuskaitis are particularly good. In this one, she shows viewers how to deal with subtracting fractions that have unlike denominator, no small task! This is a tricky process, and this PowerPoint takes young...
+
16:00
Lesson Planet: Curated OER

Addition And Subtraction of Polynomials

For Students 7th - 11th
Though it "sounds like a really fancy word," polynomials prove to be no match for Sal's mathematical skills. After defining the term and providing a few examples, Sal works through a few equations that add or subtract polynomials,...