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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.
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.
Multi-step word problem with addition, subtraction, and multiplication | Pre-Algebra | Khan Academy
By Khan Academy
world problems multiplication
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.
Integer addition and subtraction: number line interpretation
By Khan Academy
Interpreting integer expressions