# '16-'17 General Discussion for Lesson 1.5

**URL:** <https://forum.code.org/t/16-17-general-discussion-for-lesson-1-5/5129>\
**Category:** Unit and Lesson Discussion\
**Tags:** csp-unit-1, csp-unit-1-lesson-5\
**Created:** [August 19, 2016, 2:02am UTC](https://forum.code.org/t/16-17-general-discussion-for-lesson-1-5/5129 "2016-08-19T02:02:42Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![bagleyn](https://avatars.discourse-cdn.com/v4/letter/b/7ab992/32.png) [@bagleyn](https://forum.code.org/u/bagleyn)\
**Post date:** [September 21, 2019, 2:21am UTC](https://forum.code.org/t/16-17-general-discussion-for-lesson-1-5/5129/21 "2019-09-21T02:21:53Z")

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Did anyone find the answer key for the binary practice sheet yet? I have worked out the answers but would like to check them.

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**Author:** ![frank\_w\_lee](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.code.org/frank_w_lee/32/4895_2.png) [@frank\_w\_lee](https://forum.code.org/u/frank_w_lee)\
**Post date:** [September 22, 2019, 7:06pm UTC](https://forum.code.org/t/16-17-general-discussion-for-lesson-1-5/5129/22 "2019-09-22T19:06:56Z")

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Hi @bagleyn,

The answer key is linked in the teacher lesson plan. It takes you to a page that displays the answer key only if you have a verified teacher account.

Learn more about the verified teacher account here: [https://support.code.org/hc/en-us/articles/115001550131-Becoming-a-verified-teacher-CS-Principles-and-CS-Discoveries-only-](https://support.code.org/hc/en-us/articles/115001550131-Becoming-a-verified-teacher-CS-Principles-and-CS-Discoveries-only-)

Frank

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