Base Twelve System
Storyboard Text
- Base Twelve System
- BY: SHELBY TALBOTT
- Why is there letters in this math problem?
- Does anyone know what the base twelve system is? Or how we can solve this?
- E4T =1642?
- twelve
- 1 unit = 1 unit1 long= 12 units1 flat= 144 units1 block= 1728
- Base Twelve System
- = 123
- = 121
- = 1
- = 122
- (E) = 11(T) = 12
- This looks so hard!
- twelve
- I don't understand.
- E4T =1642?
- twelve
- Convert to base 10.
- I think Mrs. Jones has gone crazy guys!
- 11x122
- (E)= 11 flats(4)= 4 longs(T)= 12 units
- +4x121
- +12x1
- YAY! I get it!This is so EASY and fun!!
- Does you see what we did here?
- Let's try a few together!
- twelve
- E4T =1642?
- ET68=52TE=
- 11x123
- +2x122
- 5x123
- +10x122
- E4T =1642(E)= 11 flats(4)= 4longs(T)= 12 units
- +10x121
- twelve
- Base Twelve System
- +6x121
- +8x1
- +11x1
- 11x122
- = =9056
- =144+48+12=1642
- = 19008+1440+72+8
- = 8640+288+120+11
- +4x121
- = 144+48+12=1642
- = 20528
- +12x1
- Now I get it!!
- 52TE=
- ET68=
- 5x123
- 11x123
- Hey me too!!
- +2x122
- +10x122
- +6x121
- +10x121
- +8x1
- YAY! I knew you could do it!This stuff is too easy for y'all!
- +11x1
- = 19008+1440+72+8
- = 8640+288+120+11
- =20528
- =9059
- I even think this is fun!
- We call this the "hat method" because we will use a symbol that looks like a hat, but we use it to divide. When we start we always start with the greatest power of 12. Which here we have 122 and equals 144.
- Now we are going to convert our basic numerals into base twelve! Let's try an example together.
- 497=
- 144
- 12
- -432
- -60
- 497
- 5
- 65
- And there you have it our new 497= 355 base twelve.Easy peasy for smart kids like y'all!!
- 5
- 3
- 1
- 497 = 355
- -5
- 0
- 5
- 5
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