Khan Academy

Fraction to decimal: 11/25 (K-A)

Interpreting numeric expressions example (K-A)

Interpreting multiplication & division of negative numbers (K-A)

Number equations & number lines (K-A)

Interpreting negative number statements (K-A)

Subtracting a negative = adding a positive (K-A)

Multiplying negative numbers review (K-A)

Subtracting negative numbers review (K-A)

Multiplying positive & negative numbers (K-A)

Multiplying positive and negative fractions (K-A)

Negative number word problem: Alaska (K-A)

Negative number word problem: temperatures (K-A)

Negative signs in fractions (K-A)

Order of operations example (K-A)

Ordering expressions (K-A)

Why dividing by zero is undefined (K-A)

Rewriting decimals as fractions: 2.75 (K-A)

Worked example: Converting a fraction (7/8) to a decimal (K-A)

Simplifying complex fractions (K-A)

Substitution with negative numbers (K-A)

Why a negative times a negative is a positive (K-A)

Why a negative times a negative makes sense (K-A)

Combining like terms challenge problem (K-A)

Equivalent expressions: negative numbers & distribution (K-A)

Factoring with the distributive property (K-A)