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This page provides a list of educational videos related to Addition and Subtraction Practice. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Addition and Subtraction Practice.
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).
Integer addition and subtraction: find the missing value
By Khan Academy
Sal solves more missing value problems: 4 = -8 - __ ������������and ������������__ - (-2) = -7 ������������and ������������-4 = __ - 9
Integer addition and subtraction: find the missing value
By Khan Academy
Sal solves some missing value problems: -1 = 7 - __ and -10 + __ = -5 and 4 = -2 + __ and 6 + __ = -8
Integer addition and subtraction: number line interpretation
By Khan Academy
Interpreting integer expressions
Negative number addition and subtraction: interpretation problems
By Khan Academy
The examples in this video use negative numbers to represent real world situations. What are these negative numbers really telling us?
Understanding negative number addition and subtraction with variables
By Khan Academy
Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.
Repeated addition
By Khan Academy
Learn how to solve word problems by adding the same number many times.
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.
Find the missing number (addition and subtraction within 100)
By Khan Academy
Learn how to solve missing number problems like 73 = ___ + 57.
Snow on Friday | Addition and subtraction within 100
By Khan Academy
Addition and subtraction within 100 word problems 2
Addition and subtraction within 10
By Khan Academy
See how to solve a bunch of addition and subtraction problems with small numbers. All numbers in this video are 10 or less.
Solving One Step Equations By Addition and Subtraction
By Mathispower4u
Video about solving one step equations by addition and subtraction.
Addition and Subtraction Of Vectors - YouTube
By TutorVista
YouTube presents Addition and Subtraction Of Vectors, an educational video resource on math.
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������������