Length
From one end to the other end
How long
How far
How tall
Customary Units
inches
feet
yards
miles
Metric Units
millimeters
centimeters
meters
kilometers
http://www.youtube.com/watch?v=9qRHvrC2zJA
Non Standard Measurement
http://www.youtube.com/watch?v=3hlkRcTmFxY
Good Links
http://kids.wordsmyth.net/we/?level=2&rid=23623
http://www.merriam-webster.com/dictionary/length
http://www.amathsdictionaryforkids.com/dictionary.html
http://dictionary.kids.net.au/word/length
http://dictionary.reference.com/browse/length
http://www.mathsisfun.com/definitions/length.html
http://matharithmetic.blogspot.com/2013/01/definition-of-length-kids-math.html
Video
http://www.youtube.com/watch?v=3hlkRcTmFxY
http://www.youtube.com/watch?v=RuFvgh7OUr4
http://www.youtube.com/watch?v=Ll21j2r8gDc
http://www.youtube.com/watch?v=GyNEBvWSyP8
http://www.youtube.com/watch?v=ZdslDOfNuNw
http://www.youtube.com/watch?v=WhKa8o7ws58
http://www.youtube.com/watch?v=berj0-RMm4M
http://www.youtube.com/watch?v=r8xdYtaKv4Y
http://www.youtube.com/watch?v=fcAl2g92NyY
Game
http://www.sciencekids.co.nz/gamesactivities/math/measurements.html
http://jmathpage.com/JIMSMeasurementlength.html
http://jmathpage.com/JIMSMeasurementlength.html
http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/measures/index.htm
http://www.funbrain.com/measure/
http://pbskids.org/cyberchase/math-games/sleuths-on-the-loose/
http://jmathpage.com/JIMSMeasurementlength.html
Charts
http://www.teachingideas.co.uk/maths/contents_length.htm