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This page provides a list of educational videos related to Addition Problem-Solving Strategies. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Addition Problem-Solving Strategies.
2.NBT.9
By Teresa Plachecki
2nd grade math lesson on using different strategies to solve double digit addition problems.
2.NBT.9
By Teresa Plachecki
2nd grade math lesson on using different strategies to solve double digit addition problems.
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 elimination method 3 | Systems of equations | 8th grade | Khan Academy
By Khan Academy
Khan Academy presents Addition Elimination Method 3, an educational video resource on math.
Relate addition and subtraction
By Khan Academy
See the relationship between 2+3=5, 5-2=3, and 5-3=2.
Addition and subtraction trig identities
By Khan Academy
Sal evaluates the cosine of twice an������������angle whose right triangle is given. To do this, he must use the cosine double-angle formula.
Addition and subtraction trig identities
By Khan Academy
Sal evaluates the cosine of the sum of 60������������ and another angle whose right triangle is given. To do this, he must use the cosine angle addition formula.
Addition and subtraction trig identities
By Khan Academy
Sal reviews all the different trigonometric angle addition identities: sin(a+b), sin(a-c), cos(a+b), cos(a-b), cos(2a), and sin(2a).
grade 2 math 1.17 ,make an addition table.
By Joann's School
How to make an addition table of addends and sums.
More examples of addition and subtraction of polynomials | Algebra II | Khan Academy
By Khan Academy
This instructor in this video, Sal Khan, discusses adding and subtracting polynomials. In an easy, conversational tone, the instructor explains processes clearly. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
Addition elimination method 2 | Systems of equations | 8th grade | Khan Academy
By Khan Academy
Khan Academy presents Addition Elimination Method 2, an educational video resource on math.
Subtracting 1 vs. subtracting 10 | Addition and subtraction within 100
By Khan Academy
Sal talks about the difference between subtracting 1 and subtracting 10.
Solve System of Linear Equations Using Addition Method
By APUS07
YouTube presents Solve System of Linear Equations Using Addition Method, an educational video resource on math.
Solving One Step Equations By Addition and Subtraction
By Mathispower4u
Video about solving one step equations by addition and subtraction.
One-step equations with addition and subtraction
By Khan Academy
Some quick examples to practice solving a variety of one step equations. All 4 operations (add, subtract, multiple, divide) are paired with variables.
One-step equations with addition and subtraction
By Khan Academy
Learn how to solve this equation: a + 5 = 54������������
One-step equations with addition and subtraction
By Khan Academy
Learn how to solve one-step addition and subtraction equations by adding or subtracting the same thing from both sides of the equation.
Missing numbers in addition and subtraction | 2nd grade | Khan Academy
By Khan Academy
Sal solves missing number in problems like 73 = ___ + 57.