Lessons for 5.MD.A.1
Conversion factors and dimensional analysisTwelve inches over one foot equals one, so multiplying by it changes the unit and not the amountLesson
Metric prefixesKilo, centi, milli and the rest are names for a size, and they mean the same beside any base unitLesson
Multi-step problems with unit conversionsReal problems that need a unit changed, such as centimeters to meters, partway through several steps.Lesson
Customary conversionsInches, feet, yards, miles; ounces, pounds; cups to gallons.Lesson
Converting metric units by powers of tenPowers of ten: shift the decimal point.Lesson
Units of timeSeconds, minutes, hours, days, weeks, months and years, and how they nest inside one anotherLesson
Printable Worksheets
Conversion factors and dimensional analysis worksheet (PDF)Printable worksheet with answer keyPreview
Metric prefixes worksheet (PDF)Printable worksheet with answer keyPreview
Multi-step problems with unit conversions worksheet (PDF)Printable worksheet with answer keyPreview
Customary conversions worksheet (PDF)Printable worksheet with answer keyPreview
Converting metric units by powers of ten worksheet (PDF)Printable worksheet with answer keyPreview
Units of time worksheet (PDF)Printable worksheet with answer keyPreview