6.4.H
The Standard
convert units within a measurement system, including the use of proportions and unit rates
Texas Essential Knowledge and Skills for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students change a measurement from one unit to another within the same system. They use a known conversion relationship to build a proportion or unit rate, then calculate and label the result.
What Mastery Looks Like
- Students select the correct relationship between two units and set up a valid proportion or unit rate. They calculate accurately, cancel or track units, and check whether the result is reasonable.
Common Misconceptions
- Students may multiply when they should divide, or use a conversion factor backward. They may mix systems, drop unit labels, or assume every conversion uses a factor of 10.
How to Assess It
- Exit ticket: A ribbon is 3.5 yards long. How many inches is it? Show a proportion or unit-rate method and label the answer.
Lesson moves
Ways to Teach It
At a water station, students use cup, pint, and quart containers to test conversion relationships and record equivalent amounts.
Ask students to explain why converting 5 feet to inches produces a number greater than 5.
Students match cards showing measurements, conversion factors, proportions, and equivalent answers, then justify each completed set.
Give students a trail-map distance in miles and ask them to calculate the same distance in feet for a route sign.
Free download
Printable 6.4.H Worksheet
A ready-to-print activity worksheet aligned to 6.4.H, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
Download the worksheetKeep exploring
Related Standards
- 4.8.A
identify relative sizes of measurement units within the customary and metric systems
- 7.4.B
calculate unit rates from rates in mathematical and real-world problems
- 7.4.E
convert between measurement systems, including the use of proportions and the use of unit rates
- 4.8.B
convert measurements within the same measurement system, customary or metric, from a smaller unit into a larger unit or a larger unit into a smaller unit when g...
Turn this exact standard into a lesson
Grade, subject, topic, and the complete standard are prefilled. Create one free, no account needed.