Public learning track
Rates, Compound Measures, Duration, and Global Time Zones
8th Grade · Math · Open Global Math
10 lessons
Goal
Solve real-world rate problems involving speed, density, pressure, unit pricing, time conversions across 12/24-hour clocks, and international time zone schedules.
Featured Diagrams
Unit Pricing and Best-Buy Comparisons
10 lessons
0 of 10 done
- 1Unit Pricing and Best-Buy ComparisonsUp nextStart
- 2Compound Units: Speed, Velocity, and Average Speed ProblemsPremiumNot started yet
- 3Density, Mass, and Volume CalculationsNot started yet
- 4Pressure, Force, and Area as Compound MeasuresNot started yet
- 5Rate of Flow and Filling ProblemsNot started yet
- 6Time Conversions Between 12-Hour and 24-Hour SystemsNot started yet
- 7Calculating Elapsed Time and Durations Across MidnightNot started yet
- 8Understanding International Time Zones and UTC OffsetsNot started yet
- 9International Travel Schedules and Flight DurationsNot started yet
- 10Multi-Step Dimensional Analysis with Compound UnitsNot started yet
Curriculum Framework
8th Grade · Math · Open Global Math
1
10 lessons
Plane Measurement: Perimeter, Arc Length, Composite Area, and Sectors
Calculate perimeters, arc lengths, and areas of regular, composite, circular, and irregular plane figures using appropriate metric units and levels of precision.
2
12 lessons
Surface Area, Volume, and Capacity of Three-Dimensional Solids
Calculate lateral surface area, total surface area, volume, and fluid capacity for prisms, cylinders, cones, and spheres, and explore geometric relationships between 3D solids.
3
10 lessons
Rates, Compound Measures, Duration, and Global Time Zones
Solve real-world rate problems involving speed, density, pressure, unit pricing, time conversions across 12/24-hour clocks, and international time zone schedules.
4
10 lessons
Consumer Mathematics: Interest, Credit, and Financial Modeling
Model financial decisions including simple and compound interest, loan repayments, total cost of credit, payment options, and long-term savings strategies.