Extra Help 

Unit 1 ~ Extra Help

Topics: Scaled copies • Scale factor • Scale drawings • Maps • Area and scale

🎥 WATCH — Extra Help Videos

• Scaled Copies (Lessons 1–4)

• More about Scale Factor (Lessons 5–6)

• What are Scale Drawings? (Lessons 7–9, 11)

• Scale Drawings with Different Scales (Lessons 10 and 12)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 2 ~ Extra Help

Topics: Proportional relationships • Constant of proportionality • Tables • Equations • Graphs

🎥 WATCH — Extra Help Videos

• Representing Proportional Relationships with Tables (Lessons 2–3)

• Representing Proportional Relationships with Equations (Lessons 4–6)

• Comparing Proportional and Nonproportional Relationships (Lessons 7–8)

• Representing Proportional Relationships with Graphs (Lessons 10–13)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 3 ~ Extra Help

Topics: Radius • Diameter • Circumference • π • Area of circles • Shaded areas

🎥 WATCH — Extra Help Videos

• Measuring Relationships (Lesson 1)

• Circumference of a Circle (Lessons 2–5)

• Area of a Circle (Lessons 7–9)

• Distinguishing Circumference and Area (Lesson 10)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 4 ~ Extra Help 

Topics: Fractions & decimals • Percent increase/decrease • Tax • Tip • Discounts • Markups

🎥 WATCH — Extra Help Videos

• Proportional Relationships with Fractions & Decimals (Lessons 4–5)

• Percent Increase and Decrease (Lessons 6–8)

• Applications of Percentages (Lessons 10–12)

• More Applications of Percentages (Lessons 14–15)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 5 ~  Extra Help

Topics: Positive & negative numbers • Adding • Subtracting • Multiplying • Dividing • Rational number equations

🎥 WATCH — Extra Help Videos

• Adding Rational Numbers (Lessons 1–4)

• Subtracting Rational Numbers (Lessons 5–7)

• Multiplying and Dividing Rational Numbers (Lessons 8–11)

• Solving With Rational Numbers (Lessons 12–16)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 6 ~ Extra Help

Topics: Tape diagrams • Two-step equations • Inequalities • Distributive property • Combining like terms • Equivalent expressions

🎥 WATCH — Extra Help Videos

• Representing Two Types of Situations (Lessons 1–6)

• Reasoning About Solving Equations (Lessons 7–9)

• Using Equations to Solve Problems (Lessons 10–12)

• Solving Inequalities (Lessons 14–17)

• Writing Equivalent Expressions (Lessons 18–22)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 7 ~ Extra Help

Topics: Complementary & supplementary angles • Vertical angles • Triangles • Volume • Surface area • Prisms 

🎥 WATCH — Extra Help Videos

• Angle Relationships (Lessons 1–5)

• Drawing Polygons with Given Conditions (Lessons 6–10)

• Volume of Right Prisms and Pyramids (Lessons 11–13)

• Volume and Surface Area of Right Prisms (Lessons 14–16)

🧠 PRACTICE — Khan Academy: Practice This Unit

Unit 8 ~ Extra Help

Topics: Probability • Sample spaces • Compound events • Simulations • Random samples • Populations

🎥 WATCH — Extra Help Videos

• Estimating Probabilities (Lessons 1–5)

• Multi-step Experiments (Lessons 6–10)

• Sampling (Lessons 11–14)

• Using Samples (Lessons 15–19)

🧠 PRACTICE — Khan Academy: Practice This Unit