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Multiplication and division with powers of ten
By Khan Academy
Learn how to simplify expressions like (5^6)/(5^2). Also learn how 1/(a^b) is the same as a^-b. Towards the end of the video, we practice simplifying more complex expressions like (25 * x * y^6)/(20 * y^5 * x^2).
Multi-step equations with distribution
By Khan Academy
Sal solves the equation -9 - (9x - 6) = 3(4x + 6) using the distributive property.
Perform translations
By Khan Academy
Sal shows how to perform a translation on a triangle using our interactive widget!
One-step inequalities
By Khan Academy
In addition to solving the inequality, we'll graph the solution. Remember to swap if you mutiply both sides of the inequality by a negative number.
One-step inequalities
By Khan Academy
Our discussion of linear inequalities begins with multiplying and dividing by negative numbers. Listen closely for the word swap. Super important!
Naming shapes 2
By Khan Academy
Learn how to identify circles, triangles, squares, rectangles, rhombuses, and trapezoids.
Rounding to the nearest 100 | 3rd grade
By Khan Academy
Use a number line to round three-digit numbers to the nearest hundred.