Math Trivia
Mental Math
Math Riddles
History of Math
Mathematicians
100

The current numerical system.

What is the decimal system?

100

758+423+231

1412

100

I add six to eleven, and get five. How is this correct?

It's a clock.

100

The first mathematical operation likely discovered.

What is addition?

100

The credited creator of calculus.

Who was Issac Newton?

200

"Giga" refers to this number

What is one billion?

200

63*11

78*11

39*11

693

858

429

200

One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years’ time, I will be twice as old as my brother.” How old are they each now?

Older: 17

Younger: 7

200

The people that implemented the term "mathematics."

Who were the Pythagoreans?

200

a2 + b2 = c2

Who was Pythagoras?

300

The base that binary is in.

43 written in binary.

What is base 2?

101011

300

752

452

852

5625

2025

7225

300

Using only addition, add eight 8s to make 1000.

888 + 88 + 8 + 8 + 8 = 1000

300

This device was used before calculators by sliding beads along rods in a frame.

What is an abacus?

300

The "father" of geometry.

Who was Euclid?

400

The number of zeros in a googel.

What is 100 zeros?

400

57*99

5643

400

A farmer says: “I only ever keep sheep, goats, and horses. In fact, at the moment they are all sheep except three, all goats except four, and all horses except five.” How many does he have of each animal?

The farmer has 3 sheep, 2 goats, and 1 horse.

400

The company that invented the first handheld calculator.

Who is Texas Instruments?

400

The developer of a formula for adding values in an arithmetic series.

Who is Gauss?

500

Discovered the formula for the circumference of a circle.

Who is Archimedes?

500

7!

5040

500

If two hens lay two eggs in two days, how many eggs will a dozen hens lay in a dozen days?

72 eggs.

500

The base of the earliest known place value system.

What is base 60.

500

Had a theorem that said there are no natural numbers greater than two were x2 + y2 = z2.

Who is Pierre de Fermat?

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