<div dir="ltr">I don't think it is included. Joe should weigh in on the expert on what the College Board really means by what they say.<div><br></div><div>The word "octal" appears twice in the purple book, only in the section outlining strategies to engage and motivate students. In both cases is suggests "pointing out" examples of octal: point out examples you see, use it as an example of place value.<div>However, hex, binary and decimal appear in the actual Essential Knowledge. </div></div><div><br></div><div>Dianne</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 8, 2017 at 10:49 AM, Michael Coyner <span dir="ltr"><<a href="mailto:michael.coyner@qacps.org" target="_blank">michael.coyner@qacps.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">i think hex should be a definite vs optional. not sure about octal if that's tested or not.<br></div><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Tue, Aug 8, 2017 at 10:41 AM, CS Matters in Maryland <span dir="ltr"><<a href="mailto:csmattersinmaryland@gmail.com" target="_blank">csmattersinmaryland@gmail.com</a><wbr>></span> wrote:<br></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><div dir="ltr"><div><span style="font-size:12.8px">Is this true? Should we update lesson 1-4?</span></div><div><br></div><span style="font-size:12.8px">"What's more I believe students must be able to convert to and from octal for the AP Test. Should include octal conversion in the lesson 1-4 as well?"</span><br></div>
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