3M2.3 Find the Elapsed Time using 'Hours, Minutes & Seconds' - GeoGebra Institute of Hong Kong

Key Stage 1 (Lower Primary)‎ > ‎1.2 Measures 度量‎ > ‎Time 時間‎ > ‎

3M2.3 Find the Elapsed Time using 'Hours, Minutes & Seconds'

中文版：https://sites.google.com/site/hkgeogebra/ks1/m/time/elapsed_c

Also available on GeoGebraTube: http://www.geogebratube.org/material/show/id/156369 (Download GeoGebra File)

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