# National Mathematics Day (Holiday Hoopla 2023)

National Mathematics Day
Holiday Hoopla 2023
Statistics
No. solves85
No. total guesses161

National Mathematics Day is a word/math puzzle from Holiday Hoopla 2023. Its difficulty level is categorized as Medium relative to the other puzzles in the hunt.

The puzzle is presented as a series of mathematical equations with crossword clues.

## Solve Path

Solvers can begin by finding words to answer some of the clues. The clues "It's the best policy [7]" and "A blade at the end of a rifle [7]" may be good starting points. After answering a few of the clues, solvers may notice that the number in brackets represents the length of the expected answer, allowing for both confirmation and elimination of ambiguity.

1 Splenda, e.g. [9] SWEETENER
1 interconnected system [7] NETWORK
1 it’s the best policy [7] HONESTY
2 a guest on a calendar invite [8] ATTENDEE
2 made by Papyrus or Smythson [10] STATIONERY
3 a racket based sport [6] TENNIS
3 arboreal debris floating on a river [9] DRIFTWOOD
4 dog [6] CANINE
4 currency [5] MONEY
4 what is often displayed in a gallery [7] ARTWORK
5 a type of train to transport goods [7] FREIGHT
5 deserving of faith [11] TRUSTWORTHY
5 a blade at the end of a rifle [7] BAYONET
6 one dimension of volume [6] HEIGHT
6 a moth larva that feeds on plants [7] CUTWORM
6 person on the receiving end of a conversation [8] LISTENER

The flavor text gives a hint on what to do next: "If you look closely, you might see some numbers..."

Each answer contains a substring that is a number spelled out in word form, such as "eight" in the word "height". Solvers can take the hidden number and use its value in each equation.

Computing the Results of the Equations
Equation Clue Answers Substrings Numbers Final Value
1 SWEETENER + NETWORK + HONESTY TEN + TWO + ONE 10 + 2 + 1 14
2 ATTENDEE - STATIONERY TEN - ONE 10 - 1 9
3 TENNIS × DRIFTWOOD TEN × TWO 10 × 2 20
4 (CANINE + MONEY) × ARTWORK (NINE + ONE) × TWO (9 + 1) × 2 20
5 FREIGHT - TRUSTWORTHY - BAYONET EIGHT - TWO - ONE 8 - 2 - 1 5
6 HEIGHT ÷ CUTWORM + LISTENER EIGHT ÷ TWO + TEN 8 ÷ 2 + 10 14

The final values of the equations can be converted to letters using A1Z26.

Extracting Letters from the Equations
Equation Final Value Letter
1 14 M
2 9 I
3 20 T
4 20 T
5 5 E
6 14 N

The answer is Click to revealMITTEN.

## Puzzle Elements

Hidden Substrings - Each answer contains a substring that is a number spelled out in word form.

Alphanumeric Substitution Cipher - The computed result of each equation is turned into a letter for extraction.