Mathematics at Work 11

Unit 1: Measurement

Surface area, volume, and capacity of 3-D objects in SI and imperial units, applied to real containers and materials.

• Estimating surface area
• Solving surface-area problems

• Volume vs. capacity and referents
• Volume of 3-D objects
• Capacity of containers

Unit 2: Geometry

Solving problems with two and three right triangles, and working with scale drawings and models.

• Sketching and identifying right triangles
• Solving with elevation, depression, and trig

• Reading dimensions from a scale
• Constructing scale drawings and models

Unit 3: Number

Personal budgets, compound interest, financial-institution services, and credit options — the financial-literacy core of the course.

• Building a personal budget
• Modifying a budget toward goals

• Simple vs. compound interest
• Solving compound-interest problems

• Accounts and banking services
• Banking fees, safety, and security

• Comparing credit options
• Solving credit-card and loan problems

Unit 4: Algebra

Manipulating formulas, understanding slope, and applying proportional reasoning and unit analysis to workplace problems.

• Manipulating and applying formulas

• Slope as rise over run
• Slope as rate of change
• Solving slope problems

• Unit analysis
• Proportional reasoning within and between systems

Unit 5: Statistics

Creating and interpreting graphs, including bar graphs and histograms, to represent and analyze data.

• Creating graphs from data
• Interpreting graphs and trends