This clip explains that multiplying by 3 "
is like walking along the number line with steps three units long."
Another expression is reduced to its simplest form, demonstrating the rule for dividing two monomials with the same base.
This clip explains that, as when multiplying whole numbers, we can re-arrange the factors as much as we like when multiplying signed numbers. This enables us to solve multiplication problems in which the first factor is negative and the second posit...
This clip introduces a table as a means by which to learn multiplication facts. It also reviews multiplication of whole numbers by 1 and 0.
This clip explains that when two factors change places in a multiplication problem, the product remains the same. It then explains the multiplication facts for 5 and 2, noting that exercises can be completed with the help of a number line. The clip ...
Using more than one of the rules for exponents to simplify expressions written with parentheses.
Demonstration of factoring a polynomial with no like terms: 14n 35p,
Simplifying a radical expression that has no common radical factor using subtraction.
Practice factoring: 10b2c4d - 6b3c4d2
Practice factoring: 7x2y2 4xy2 - 8x2y