Solve mathematical problems.

Solutions should include solving construction-related

• addition
• subtraction
• multiplication
• division problems, using fractions.

Solutions should also include construction-related problems, involving one-, two-, and three-digit whole numbers, with and without a calculator, and problems involving decimals down to the thousandths, with and without a calculator.

Process/Skill Questions:

• What are common tasks requiring the use of fractions in construction?
• When is a common denominator needed?
• Why should one be able to perform basic mathematical tasks without a calculator?
• What are common situations in construction that require mathematics?
• What is the base-10 system? What is its probable origin?