授课 授課
Stroke order
Show the animation Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
Show the animation 
Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
How it used to be written
授
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Small seal script -
Clerical script 東漢 - See all 4 forms
课
These are the forms of 課, the traditional character: 课 is a twentieth-century simplification, found in no ancient corpus.
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Small seal script -
Clerical script 西晉 - See all 4 forms
Forms, sources and dates: the 字形演變 database of 小學堂, Academia Sinica, public domain (CC0).