Teacher2Teacher 
Q&A #5640 
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From: Loyd To: Teacher2Teacher Public Discussion Date: 2008122318:31:20 Subject: Re: Re: binary numbers On 2002020507:39:50, Loyd wrote: >On 2002020500:49:16, meghan wrote: >> hello everyone! i am student teaching and i need to make a lesson >>plan on binary numbers there is not much help on the internet. i need >>a internet project that the class can do as well as some other >>activities to do with binary number. i can make the lesson plan for >>any age gropup so any activities will be helpful. if anyone has ideas >>please let me know. thanks >> >I edited the last by taking out the 251 which I had left in by >mistake. > >Suggestion: Make base ten chart showing ones, tens, hundreds, >thousands etc something like this using both names and exponents >Lets convert 28 to binary for example: >10,000's 1000's 100's tens ones >10^4  10^3  10^2  10^1  10^0  >    2  8  >      >      >      >      > > > 16's 8's 4's 2's ones > 2^4  2^3  2^2  2^1  2^0  > 1  1  1  0  0 (16+8+4=28)=28 >      >      >      >      > >If you need more help, then let me know and I can expand on this. I >might suggest a calculator such as the HP 6s has binary, octal and >hexidecimal conversion keys on them. I would suggest using an aid >like that to help. The HP 6s is also a very nice inexpensive >scientific calculator suitable for all science classes. > 16's 8's 64's 8's ones  8^4  8^3  8^2  8^1  8^0      3  4  (24+4=28)      (3 eights + 4 ones=28)                   In any base the base raised to the zero th power is 1 In any base, the base raised to the first power is 10 In any base the base raised to the 2 power is 100 In any base the base raised to the 3 power is 1000 etc. But of course 1000 in base 8 means no ones, no 8s, no 64s and one 512. So, 512 base 10 = 1000, base 8.
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