Curated OER
Thanksgiving Subtraction
For this basic mathematics worksheet, learners use Thanksgiving images to help them solve each problem. They find the difference for each subtraction problem.
Curated OER
Worksheet #10
In this mathematics worksheet, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
Curated OER
Missing Addend and Subtraction 1
In this mathematics worksheet, 4th graders write the numbers and x to each picture. Then they write a missing addend sentence and a subtraction sentence to solve each problem. Students also write a missing addend sentence with x and...
Curated OER
Word Problems and Patterns 4
In this mathematics instructional activity, 3rd graders solve the problems and write a missing addend sentence for each as needed. Then they subtract mentally and figure out the patterns for each and continue them on.
Curated OER
Fraction Subtraction Worksheet 1
In this mathematics worksheet, students subtract the second number fraction from the first one. Then they write their answer in the space provided. There are 12 problems to solve on the sheet.
Curated OER
Kid Zone Tree Math 1
What a fun and different way to practice subtraction! Your class must complete this number tree by subtracting two numbers at a time, in order to find the next numbers to subtract. The last number is provided for students to use as a...
PBS
Pbs Learning Media: Atmospheric Oxygen
In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.
Utah State University
Teacher Link Printable Teacher Aids
A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.
University of Texas
Inside Mathematics: Incredible Equations [Pdf]
This task challenges a student to demonstrate understanding of concepts involved in addition and subtraction.
University of Texas
Inside Mathematics: Peanuts and Ducks [Pdf]
This task challenges a student to demonstrate understanding of concepts involved in addition and subtraction. A student must be fluent with addition and subtraction within 100 and understand the relationship between addition and...
University of Texas
Inside Mathematics: Pocket Money [Pdf]
This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.
University of Texas
Inside Mathematics: Apple Farm Field Trip [Pdf]
This task challenges a student to use place value knowledge and understanding of operations.
Arcademics
Arcademics: Tug Team Sailboat Subtraction
Sailboat Subtraction is a multi-player game that allows students from anywhere in the world to play tug of war with each other while practicing their subtraction facts!
Doina Popovici
Math Play: Fractions Jeopardy
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
Scholastic
Scholastic: Max's Math Adventures: Subtraction Square Dance
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
PBS
Pbs Learning Media: Cyberchase: Competing for the Northern Hemisphere Games
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
TED Talks
Ted: Ted Ed: How to Organize, Add and Multiply Matrices
When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding,...
Scholastic
Scholastic: Study Jams! Math: Problem Solving: Order of Operations
This site provides great practice on the concept of order of operations. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
ABCya
Ab Cya: Balloon Pop Subtraction
Students practice different levels of subtraction problems by popping the number of balloons necessary to find the solution.
Discovery Education
Discovery Education: Web Math: Add and Subtract Polynomials
Perform and see examples of adding and subtracting polynomials on the WebMath "Solver."
Discovery Education
Discovery Education: Web Math: How to Subtract Two Numbers
WebMath offers a good practice site for basic subtraction. Children can type in the problem and an answer is given with explanation. A good site to check homework problems.
Purple Math
Purplemath: Adding and Subtracting Matrices
Demonstrates how to add and subtract matrices, explains why the addition or subtraction sometimes can't be done, and gives an example of how matrix addition is used in homework problems.
Khan Academy
Khan Academy: Subtract 1 or 10
Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract on a Number Line
Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.