Common Core · Grade 6 · Ratios and Proportional Relationships

Standard 6.RP.A.3D

Free lessons and printable worksheets aligned to Common Core math standard 6.RP.A.3D.

7 lessons7 worksheets

Lessons for 6.RP.A.3D

Conversion factors and dimensional analysisTwelve inches over one foot equals one, so multiplying by it changes the unit and not the amountLesson
Changing the units of a rateRewriting feet per second as miles per hour by multiplying by carefully chosen ones.Lesson
Speed, distance and timeDistance covered for each unit of time, the most familiar rate there is.Lesson
The metric system and SI unitsOne base unit for each attribute, with every other unit ten times bigger or smallerLesson
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

Changing the units of a rate worksheet (PDF)Printable worksheet with answer keyPreview
Speed, distance and time worksheet (PDF)Printable worksheet with answer keyPreview
Customary conversions worksheet (PDF)Printable worksheet with answer keyPreview
Units of time worksheet (PDF)Printable worksheet with answer keyPreview