This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Multi step word problems with whole numbers exercise 3.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers My family loves milk.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers My share of soap as a mixed number on a number line.
Intuition on why a^-b = 1/(a^b) (and why a^0 =1)
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Negative Numbers Introduction.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Negative exponents.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Negative fractional exponent examples.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Negative fractional exponent examples 2.
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Negative number word problems 1.
This lesson demonstrates the different ways to write notation which represents a ratio.
Number Sets 2
This video is from the Khan Academy subject of Math on the topic of Arithmetic and pre-algebra and it covers Number line 1.
Numerator and Denominator of a Fraction
In this tutorial we will look at adding, subtracting and multiplying radical expressions.
Finding common denominators of multiple fractions to order them
Ordering negative numbers from least to greatest
Order of Operations
Order of Operations
This lesson introduces order of operations and demonstrates its use in several examples.
Evaluating expressions using order of operations