Lumos Video Store
This page provides a list of educational videos related to Addition Strategies. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Addition Strategies.
[3.NBT.2-2.0] Fluent Add/Sub - Common Core Standard - Word Problem
By Freckle education
Fluently subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
2.NBT.9
By Teresa Plachecki
2nd grade math lesson on using different strategies to solve double digit addition problems.
Multiplication - Building Arrays: Grade 2
By university of Houston mathematics education
The video describes a student strategy for multiplication by building an array. The video also includes repeated addition and skip counting.
2.NBT.9
By Teresa Plachecki
2nd grade math lesson on using different strategies to solve double digit addition problems.
[3.NBT.2-1.0] Fluent Add/Sub - Common Core Standard
By Freckle education
Fluently add within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Two-Digit Addition Regrouping Tens and Ones: Grade 2
By university of Houston mathematics education
The video describes how elementary students can solve an addition word problem regrouping tens and ones.
[4.NF.3a-1.0] Intro to Fraction Addition - Common Core Standard
By Freckle education
Understand a fraction a/b with a greater than 1 as a sum of fractions 1/b. Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
[4.NF.3a-1.0] Intro to Fraction Addition - Common Core Standard - Word Problem
By Freckle education
Understand a fraction a/b with a greater than 1 as a sum of fractions 1/b. Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
Repeated addition
By Khan Academy
Learn how to solve word problems by adding the same number many times.
Vector Addition and Scalar Multiplication, Example 1
By PatrickJMT
Vector Addition and Scalar Multiplication, Example 1. In this video, we look at vector addition and scalar multiplication algebraically using the component form of the vector. I do not graph the vectors in this video (but do in others).
Vector Addition and Scalar Multiplication, Example 2
By PatrickJMT
Vector Addition and Scalar Multiplication, Example 2. In this video I add two vectors in component form and also sketch the vectors to illustrate how to add vectors graphically (very useful stuff!).
Matrix Addition - YouTube
By Joel Walkley
YouTube presents Matrix Addition, an educational video resource on math.
Addition formulae Sin(A+B), Cos(A+B), Tan (A+B): ExamSolutions
By ExamSolutions
What are the addition formulae. To see the full index of tutorials go to ExamSolutions at http://www.examsolutions.co.uk
Applications of Vector Addition.avi
By AlRichards314
This video works through some examples of using vectors to model physical quantities including forces and velocities. This lesson was created for the Calculus and Vectors (MCV4U) in the province of Ontario, Canada.
Understanding angle addition formulas
By Khan Academy
Sal proves the identity cos(x+y) = cos(x)*cos(y) - sin(x)*sin(y).
Understanding angle addition formulas
By Khan Academy
Sal proves the identity sin(x+y) = sin(x)*cos(y) + cos(x)*sin(y).
The Addition Rule and Mutually Exclusive Events
By statslectures
Watch this video to get a better idea about what it means for two events to be mutually exclusive and how that plays a role in determining the probability of the union of those events.
Addition within five
By Khan Academy
Learn what it means to add. The examples used in this video are 1+1 and 2+3.
Vector Basics - Drawing Vectors/ Vector Addition - YouTube
By PatrickJMT
Vector Basics - Drawing Vectors/ Vector Addition. In this video, I discuss the basic notion of a vector, and how to add vectors together graphically as well as what it means graphically to multiply a vector by a scalar. For more free math videos, visit http://JustMathTutoring.com