Unit 1 · 6 skills
Essential Skills
Ratios, percents, rates, units, area, and word problems, a fifth of the test.
- 6 lessons
- 174 min of lessons so far
- Unit boss
Skills covered
- E1 · Ground OpsRatios & ProportionsFuel Mixer
- E2 · Ground OpsPercents & Successive ChangeBudget Office
- E3 · Ground OpsRates, Speed & WorkLaunch Crane
- E4 · Ground OpsUnits & ConversionsConversion Console
- E5 · Ground OpsArea, Perimeter & Volume EssentialsAssembly Hangar
- E6 · Ground OpsWord Problems & Formulas in WordsMission Briefing Room
Lessons
- 1.1Ratios & ProportionsRead ratios in the right order, scale them, and split a total into proportional parts.
- 1.2Percents & Successive ChangeChoose the correct percent base and handle discounts, markups, and repeated changes.
- 1.3Rates, Speed & WorkConnect distance, rate, and time, including average speed and combined work.
- 1.4Units & ConversionsBuild conversion chains whose units cancel and keep squared and cubed units honest.
- 1.5Area, Perimeter & Volume EssentialsChoose the measurement the question asks for and combine familiar shapes efficiently.
- 1.6Translate Word Problems into MathName the unknown, turn each relationship into an equation, and answer the quantity requested.
Challenge sets
Optional, hardest-level questions at the end of each lesson. This is where a 36 is won.