If only you could keep better track of big numbers, adding and multiplying your head wouldn’t be such a problem! But fear not… I have a trick that might be just the ticket for your brain!
Use this secret phonetic math code to code and decode sentences into numbers. Developed over a hundred years ago, this is the code that the expert mathematicians use when doing large calculations in their head. This is exactly how Arthur Benjamin squares 5-digit numbers without a calculator!
[am4show have=’p8;p9;p102;p154;’ guest_error=’Guest error message’ user_error=’User error message’ ]
Phonetic Code
| 1 = t or d | 6 = ch, sh, or j |
| 2 = n | 7 = hard c, k, or hard g |
| 3 = m | 8 = f or v |
| 4 = r | 9 = p or b |
| 5 = l | 0 = s or z |
Download Student Worksheet & Exercises
“My turtle Pancho will, my love, pick up my new mover Ginger” translates to:
3. 1415 926 5 3 58 979 3 2 384 6264
“My mauve monkey plays in a favorite booklet” becomes:
3 38 327 950 2 8841 971
Practice with phone numbers, zip codes, house numbers, and you’ll be surprised how quickly you’re able to switch back and forth, once you practice! Have fun!
Exercises
What numbers are these?
- place
- now
- healing the disease
- what is my effort
- that he was not able to come
- people will come and go
Form a phrase that represents the following numbers:
- 6313406
- 1071
[/am4show]
Okay. Thanks Aurora!
-Charli(7th grader)
You get used to them when you use it enough… it’s fun! 🙂
Does anyone know a easy way to remember the code numbers?
-Charli
This is so awesome!
Charli-
Ps. Me, Charli commented on the code for the code.
The code for the code is “Dan, my real shack fan bus”.
I don’t understand. How does it work, exactly?
-Alia
Wow, that was so cool!
Laura
P.S. I can remember this much pi:
3.14159265