Demonstrates how to use a blank number line to add three 2-digit …
Demonstrates how to use a blank number line to add three 2-digit positive and negative numbers. [5:33]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Explains why subtracting a negative number is in fact the same thing …
Explains why subtracting a negative number is in fact the same thing as adding a positive number. [1:33]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This site from WyzAnt explores what simplifying is, as well as how …
This site from WyzAnt explores what simplifying is, as well as how to simplify a variety of algebraic equations. Content focuses on simplifying multiple signs, combining like terms, simplifying multiplication, distributing a number or sign into parenthesis, using the FOIL method to multiply two or more parenthesis, and simplifying exponents of a number.
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