Topic A: Addition and subtraction of integers and rational numbers (K-A)

• Adding negative numbers example (K-A)
• Subtracting a negative = adding a positive (K-A)
• Adding negative numbers on the number line (K-A)
• Adding negative numbers review (K-A)
• Subtracting negative numbers review (K-A)
• Number equations & number lines (K-A)
• Interpreting numeric expressions example (K-A)
• Absolute value as distance between numbers (K-A)
• Equivalent expressions with negative numbers (K-A)
• Interpreting absolute value as distance (K-A)
• Adding fractions with different signs (K-A)
• Adding & subtracting fractions (K-A)
• Comparing rational numbers (K-A)
• Adding & subtracting rational numbers: 79% - 79.1 - 58 1/10 (K-A)
• Adding & subtracting rational numbers: 0.79 - 4/3 - 1/2 + 150% (K-A)