Better Lesson
Better Lesson: Working With Larger Numbers
Explore subtraction and addition but having student collect data from rolling objects. This lesson has students adding and subtracting numbers they collected using strategies used in class. Use the document and video found on this page...
Khan Academy
Khan Academy: Data Inferences Harder Example
This video resource from Khan Academy provides practice questions for the SAT Math. Watch Sal work through a harder Data inferences problem. We make a confidence interval by starting with a sample result and adding and subtracting the...
TeachEngineering
Teach Engineering: Gumdrop Atoms
In this activity, students make a model of a lithium atom using gumdrops and toothpicks. Using this model, they investigate the makeup of an atom, including its relative size. Students also practice adding and subtracting electrons from...
Other
Nearpod: Odd & Even Numbers
In this lesson, students will learn how to identify even and odd numbers by pairing, skip-counting, and locating the ones digit. Students will also observe patterns when adding and subtracting odd and even numbers.
Better Lesson
Better Lesson: Looking for Patterns + Show What You Know
How would you solve 3 1/4 - 1 5/6? What do students understand? What gaps do they have in their understanding? Students continue looking for patterns when they are adding and subtracting fractions and then they take a quiz.
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying
[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to solve simple equations involving addition, subtraction, and multiplication. A video shows how...
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying With Parentheses
[Free Registration/Login may be required to access all resource tools.] A learning module where students apply the order of operations to solve equations involving addition, subtraction, and multiplication of multi-digit numbers, as well...
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, Multiplying and Dividing With Parentheses
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must follow the order of operations to solve equations with several operations as well as parentheses. Includes video demonstrating...
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying With Parentheses
[Free Registration/Login may be required to access all resource tools.] A learning module where students apply the order of operations to find the missing operation symbol in equations involving addition, subtraction, multiplication, and...
Khan Academy
Khan Academy: Adding Two Digit Numbers by Making Tens
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Select Strategies for Adding Within 100
Practice telling which strategies work for adding two numbers within 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Scholastic
Scholastic: Study Jams! Math: Relate Adding, Subtracting
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Khan Academy
Khan Academy: Subtracting Fractions With Common Denominators
In this exercise, students practice subtracting fractions with common denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Alabama Learning Exchange
Alex: Polynomial Subtraction
Students will review the meaning of vocabulary relevant to subtracting polynomials such as opposites and the definition of subtract. They will be presented with examples of subtracting polynomials both vertically and horizontally. They...
Khan Academy
Khan Academy: Regroup When Adding 1 Digit Numbers
Practice adding numbers like 45+8. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding 53+17 by Making a Group of 10
Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]
Khan Academy
Khan: Lsn 11 Ops W Polynomials, Rewriting Expressions, Quad Functions, Equations
Lesson 1 of 4 for Passport to Advanced Math. Students will add, subtract, and multiply polynomials. They will build quadratic functions and write equations to represent a context.
CK-12 Foundation
Ck 12: Algebra: Subtraction of Polynomials
[Free Registration/Login may be required to access all resource tools.] Subtract polynomials vertically and horizontally.
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,...
Khan Academy
Khan Academy: Lesson Summary: The Circular Flow and Gdp
In this lesson plan summary review and remind yourself of the key terms and calculations used in describing the output of an economy. Key topics include the expenditures approach, income approach, and value added approach to calculating...
Khan Academy
Khan Academy: Add Polynomials (Intro)
Students practice adding polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Quia
Intermediate Test Prep: Math 6: Solving Two Step Equations
Learn how to solve and explain two-step equations using whole numbers and inverse operations. Complete the lessons and practice activity and then play the interactive games to test your skills.
Khan Academy
Khan Academy: Add 2 and 3 Digit Numbers (No Regrouping)
Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Using Groups of 10 and 100
Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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