This shortcut is valid for all 6-digit numbers, with a slight caveat. To show the caveat, let's use it to find 857,853 days after Thursday:
853 - 857 = - 4 days after Thursday (🤨❓)
This result should be thought of as 4 days before Thursday or Sunday. So, 857,853 days after Thursday is Sunday ✅
![Six-Digit Number Calendar Shortcut
Example:
What day of the week will it be 132,135 days after Tuesday?
Shortcut:
135 [last three digits] - 132 [first three digits] = 3
3 days after Tuesday = Friday [Answer]
Now It's Your Turn!
What day of the week will it be 254,256 days after Monday?](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreidckiqt6lcchsld6nq3ts7uwjhniw24e2sywhsws7bqbxvdthocsa)
![Red Title: "Dear Students, this is why we learn algebra!"
On the left-hand side, we see the minimum of TEN kinematics formulas you'd have to memorize if you cannot rearrange equations. On the right-hand side, we see the 3 usually memorized kinematics formulas [along with a clarification that the last one can technically be derived from the previous two by solving for time in the second then substituting into the first and simplifying]. Uniform acceleration is assumed in both cases.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreift3jquotzl2s42iwm4bdrm7jvr7albfhpdqmp46fv66blrwncsj4)
![In triangle ABC, M is the midpoint of line segment BC & line segment AM is perpendicular to line segment BC. Given that line segment AM has length 6 centimeters and line segment BC has length 7 centimeters, what is the perimeter of triangle ABC in millimeters rounded to the nearest whole number? [1 centimeter = 10 millimeters]
A) 139
B) 140
C) 209
D) 210](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreidwmo6td3y55mrcynggygjlobzu7a2rpnh27kowda5aqvssgxgu3y)
![How Numerology "Proves" Calculus Demonic
Calculus was found independently by Newton & Leibniz
Newton worked on calculus in 1666 and Leibniz was born 21/6 [since Leipzig was using the Julian calendar which was 10 days apart from our current Gregorian calendar at the time of his birth]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreihehzyimgvotfywmphgfa52lbhkaheesrlmpsdvb6f6u3th3dgn4i)
![Long division puzzle where 2025 is being divided by a two-digit divisor to get a quotient with a three-digit integer part and with one digit after the decimal point. Each multiplication step in the procedure had a two-digit result, and each subtraction left a one-digit difference [the last subtraction gave a difference of 0]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreidhn4mfwmvcll7ghw6i7aabxwvznc7w7rzokxgmng6c4avxuanq4m)
![The explicit formula for the nth term of the sequence 10, 15, 25, 40, 65, 105, 170, and so on [adding the two previous terms to get the next term] starting at n = 1. The 30th term in this case would be 10891545](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreihvkjx5iv6yk4yuxigcfdhooccrq7wsgxoweebxrtt5abg53k5jay)
![The explicit formula for the nth term of the sequence 10, 15, 25, 40, 60, 85, 115 [the pattern: +5, +10, +15, +20, +25, and so on] starting at n = 1. The 30th term in this case would be 2185](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreiazhntebrhsseelu543okdc4eey6cpfzcoqg2d2mujnxkaxef57ca)
![The image describes the following mathematical trick which will always give 666 as a result
Step #1: Choose four distinct digits [In the example: 2, 3, 5, and 7 were chosen]
Step #2: Form all three-digit numbers possible using three distinct digits from those you picked [There are twenty-four possible three-digit numbers that could be formed and the table shows all of them arranged in a random and unimportant order]
Step #3: Divide the sum of the three-digit numbers formed by the sum of the four digits [In the case of the example, the three-digit numbers formed added up to 11,322 which when divided by 17 (from 2 + 3 + 5 + 7) would indeed give 666 as expected]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreiaapn3nhm4vkjhltzad74oytbycjm3m2cngch6hqh6umqmwmkualy)
![The Unit Circle (circle with radius 1) along with labels for the x & y coordinates of all special angles [multiples of 30° & 45° aka π/6 & π/4]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vhljf2q5ywln4sflbma4x2cs/bafkreicrookfdcjg3vjc3tatgdvdckhx4toexf25svemh4z4vjjrglvr5q)
