Topic B: Multiplication and division of integers and rational numbers (K-A)

• Why a negative times a negative is a positive (K-A)
• Why a negative times a negative makes sense (K-A)
• Multiplying positive & negative numbers (K-A)
• Dividing positive and negative numbers (K-A)
• Multiplying negative numbers review (K-A)
• Dividing negative numbers review (K-A)
• Rewriting decimals as fractions: 2.75 (K-A)
• Worked example: Converting a fraction (7/8) to a decimal (K-A)
• Fraction to decimal with rounding (K-A)
• Multiplying positive and negative fractions (K-A)
• Dividing negative fractions (K-A)
• Negative signs in fractions (K-A)
• Dividing mixed numbers (K-A)
• Simplifying complex fractions (K-A)
• Expressions with rational numbers (K-A)
• Equivalent expressions with negative numbers (multiplication and division) (K-A)
• Why dividing by zero is undefined (K-A)
• Order of operations example (K-A)
• Negative number word problem: temperatures (K-A)
• Negative number word problem: Alaska (K-A)
• Interpreting negative number statements (K-A)
• Interpreting multiplication & division of negative numbers (K-A)
• Addition & subtraction: find the missing value (part 1 of 2) (K-A)
• Addition & subtraction: find the missing value (part 2 of 2) (K-A)
• Substitution with negative numbers (K-A)