The Numbers
History
The Percents
Historic Years
Equations
100

How much did Americans spend on Valentine's Day in 2023?

$26 billion

100

Who is Valentine's Day named after?

A martyred priest and/or bishop; St. Valentine.

100

What prentage of people plan to celebrate Valentine's Day?

53%

100

When did Valentine's day become associated with love? 

1300s

100

"Together you and me are sin2x+cos2x."

"Together you and me are one."

200

How many Valentine's day cards are sent each year? (Not including ones exchanged in the classroom)

145 million

200

Where in the world does Cupid come from?

Greece

200

What perentage of men in relationships don't make plans in advance for Valentine's Day?

64%

200

When was Februrary 14th declared to be Valentine's Day?

1537

200

Write out the equation:

128*sqrt(e*980)

And decode the secret message.

 
Hint: No math required!

I Love You

300

Average cost of a dinner out on Valentine's Day? 

$121

300

What was the original use of conversation hearts?

Medical lozenges for sore throats.

300

What percentage of pet owners give their pets Valentine's Day gifts?

About 20%

300

When did the first heart-shaped chocolate box come out?

1860s

300

What shape does this equation make?

(y2+x2-1)3-x2y3=0

A heart

400

On average, how much do thoses how have been in relationship for one or two years spend on gifts? 

$247

400

Where was the first Valentine sent from?

A prision
400

What percentage of Americans go into credit card debt for Valentine's day spending?

30%
400

What year was the first Valentine sent?

1415

400

Solve this equation for i:

9x-7i>3(3x-7u)

9x-7i>9x-21u

-7i>-21u

7i<21u

i<3u

500

How many roses are grown specifically for Valentine's Day?

224 million

500

What is Cupid?

A cherub

500

What percentage of consumers spend money on jewelry for Valentine's Day? What percentage spend money on candy?

22% and 57%

500

What year did the recorded first speed dating event occur in?

1998

500

Solve for u:

(8^(1/3)*t^(i^(2))*u)/pi=sqrt(4)*q

u=qt(pi)

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