Subtraction Problem-Solving Strategies Videos - Free Educational Videos for Students in K - 12

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This page provides a list of educational videos related to Subtraction Problem-Solving Strategies. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Subtraction Problem-Solving Strategies.


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).

Subtracting 1 vs. subtracting 10 | Addition and subtraction within 100


By Khan Academy

Sal talks about the difference between subtracting 1 and subtracting 10.

Missing numbers in addition and subtraction | 2nd grade | Khan Academy


By Khan Academy

Sal solves missing number in problems like 73 = ___ + 57.

Addition and subtraction with number lines


By Khan Academy

Sal figures out which number line matches up with a 2-digit addition or subtraction problem.

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 and subtraction word problems 1


By Khan Academy

Addition and subtraction word problems 1

Addition and subtraction word problems 2


By Khan Academy

Addition and subtraction word problems 2

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.

Vectors : scalar multiplication, addition and subtraction : ExamSolutions


By ExamSolutions

Youtube Presents Vectors : scalar multiplication, addition and subtraction : ExamSolutions an educational video resources on english language arts.

solve word problems using addition and subtraction of fractions


By Kathleen Twyman

how to solve a word problem using addition and subtraction of fractions

Matrix addition and subtraction


By Khan Academy

Sal defines what it means to add or subtract matrices. He shows a few examples and discusses some important properties of matrix addition and subtraction.