12 Useful Math Hacks That They Didn’t Teach You In School. 6. How To Figure Out What Day Of The Week Falls On What Date… You might be confused looking at the picture below, but the math is actually quite simple (albeit a bit elaborate). You’ll need the codes HERE, which will help you master this. July simply has a code of 5. 20th is 6 because 7 goes into 20 twice, which is 14. 20 – 14 = 6. 2069 is 2 because the leap year code of 2068 is 1 and 2069 is 1 year after, so that’s 2.
The math can be difficult at first because there are a lot of codes, but it works out incredibly well once you pick it up. January 3, 2014 is a Friday, right? So, January, according to the table, is 6, and we handle days by using multiples of 7. We get 6 + 3 + 3 = 12 – 7 = 5! 7. Via imgur / ayounes 8. Just count up in the tens column and down in the ones column. 9. Click HERE for more detailed instruction… 10. Printable Puzzles: Make Puzzles and Use your Own Words - Word Searches, Crossword Puzzles, and much more! Word Search Puzzle. Word Search Puzzle.