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Across

Biggest prime factor of 2019

The year of the last full moon

The fourth triangular number

The fifth triangular number

The sum of the first 5 positive cubes is the square of what number?

Some say it is the answer to Life the universe and everything? its binary code is 101010

How many inches in 6 feet?

The F in GCF

The closing price of a stock on Tuesday was double its closing price on Monday. its closing price on Wednesday was 3 times its closing price on Tuesday. Its closing price on Thursday was 10 times Its closing price on Wednesday. Its closing price on Thursday was 72,000. What was its closing price on Monday?

How many diagonals does a heptagon have?

S + S + S
+....+ S (50 times)

Sum of the first four positive cubes

20E - 15E

Circumference divided by diameter

_______ puzzles (we do lots of them!)

The smallest prime times the smallest 2-digit prime

The square-root of negative 81

Summing

The decimal system is based on powers of this number

There was lots of this in our halloween treasure hunt

a gradually widening (or tightening) curve around a central point

A mammal and a game

If you ask a person who always lies if a truth teller is lying, he (or she) will probably say '_______'

Circumference divided by radius

Prefix meaning eight

A famous mathematician once said, "Math is like love -- a simple idea but it can get __________."

There are 6 possible outcomes for the role of a single regular six-sided ____

"Symmetry, Reality's Riddle " and "Math is Forever" are two ___________ talks maybe we can see together next year

Prefix meaning six

having sides unequal in length

A feminine version of 34 down

The interior ___________ in a quadrilateral will sum to 360

I am leaving at 6pm on a 300 mile journey. i will travel at approx. 60 mph without breaks, therefore my ______ is 11 pm

A perfect number because it is the sum of its factors (other than itself)

3 cards that are either the same or all different for each of 4 qualities

Doing ______together is kinda the point of our club

The steeper the mountain's slope, the faster you'll be _______ down it

How many times do you see "PI" in this puzzle grid?

Escher was an _______ who loved shapes that _____ (80 across)

Fill a 9x9 grid so that every row, column and 3×3 box contains the digits 1 to 9,with no repeats

13, 17, and 37 are all primes backwards and forwards. what is the name of this kind of prime?

A game and a command to leave

Slope = 74 down over _________

A cardioid is a ________-like shape

Aka a cube

Between O and 1 lie an infinite number of _________ numbers

"_ _ . / . . _ / _._ _" is a 3 letter word in Morse ____________

You can cover a surface with non-overlapping equilateral triangles, or squares, or hexagons, but pentagons will not ______________

Down

6!

Range of median, mean, and mode of {10, 10, 20, 40 , 120}

Where the mathematicians of 'Hidden Figures' worked

How do you write 3 in base 2?

A palindrome divisible by 99

You must pay attn to the _________ of ingredients if you want the recipe to turn out well

An even permutation (rearrangement) of 20104.

19 down divided by 2 times 57

Most of the people mentioned in this puzzle are ____________.

The 7th row of Pascal's triangle is: 1, 6, 15, ____, 15, 6, 1

F(X) = X + 2 is an example of a _____________.

A palindromic prime

Smallest one digit prime times the smallest 3-digit prime

__________ fly! (when you're really thinking hard)

who famously said, "Do not worry too much about your difficulty in mathematics, I can assure you that mine are still greater.”

A permutation of 47 across

How many distinct ways are there to arrange the letters of 'hahaha'

Next number in the sequence 1, 1, 2, 3, 5, 8, ___

The secret word of 79 accross

The place value furthest to the right

It has 3 dimensions

This game combines 67 across and 32 across

What is the repeated shape in a 3-D version of a sierpinski triangle

1547 in Roman numerals

March 14 is ______ day

100 in base x is _______ than 100 in base y, if x is less than y

Irrational numbers have decimal exppansions that go on forever and contain ________ the digits 0 through 9

Make ________! (increase your velocity)

The main horizontal axis

He is famous for realizing that the number of vertices minus edges plus faces of a polyhedron is always two (hint: his name is pronounced 'oiler')

Who said, “The book of nature is written in the language of Mathematics”

____________ is more when it comes to minimizing things

An integer times itself is a _________

Abbreviation of Martin Gardener, the great puzzle writer who said " Evolution has developed the brain's ability to solve puzzles, and at the same time has produced in our brain a pleasure of solving problems."

If you make a complete guess on a Yes or __ question you have 50% chance of being right

You get ________ numbers when you take positive integers greater than one,
to large positive powers

If I ___________ 360 degrees, i end up facing in the same direction

A Fibonacci spiral is famously found in a nautilus ___________

I'll only _______if the odds are in my favor

Prefix meaning twelve

Right-Handed abbreviation

52 down is famous for an endless supply of mathematical ___________s of wisdom

Half a laugh

Slope = _________ over 72 across

Odd times odd

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