Repeat After Us
Repeat After Us: I Lost a World the Other Day!
A poem from Emily Dickinson, "I Lost a World -- The Other Day!", is provided on this site. Students may listen to this poem read aloud by Mark Eckardt and can access a printable version of this piece.
Khan Academy
Khan Academy: 4th & 5th Roots
Radicals are also known as roots. Evaluate high-degree radicals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Absolute Value of Complex Numbers
Given a complex number in the form a+bi, find its absolute value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. HSN.CN.B.4
Khan Academy
Khan Academy: Solve Exponential Equations Using Logarithms: Base 10 and Base E
Solve exponential equations that have 10 or e at the base of the exponential term. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Determine the Domain of Functions
Determine the domain of a function according to the algebraic limitations of that function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
The Math Forum: Dot Products of Non Unit Vectors
Description of finding the formula for the dot product of any two vectors.