Numbers
Algebra
Pi
Mathematicians
Random/Riddles
100

What is the only even prime number?

2

100

s-12=7

s=19

100

What are the first 3 digits of Pi?

3.14

100

Who figured out Pythagoras Theorem?

Pythagoras

100

The day before yesterday I was 25. The next year I will be 28. This is true only one day in a year. What day is my Birthday? 

December 31st

200

What is the decimal place called? 120.2356 (e.g. Tens, Hundreds)

Thousandths

200

11n=132

n = 12

200

How many digits does Pi have in total? 

There is no specific amount, Pi is infinite 

200

Who figured out E = mc2

Albert Einstein

200

I am an odd number. Take away one letter and I become even. What number am I?

Seven (take away the ‘s’ and it becomes ‘even’).

300

What is this value called in words? 1,000,000,000

One billion

300

What are the coefficients of the expression: 0.1 y + 0.01 y2

0.1, 0.01

300

Who discovered Pi?

Archimedes of Syracuse

300

What country is Albert Einstein from?

Germany

300

Two girls were born to the same mother, at the same time, on the same day, in the same month and the same year and yet somehow they’re not twins. Why not?

Triplets...because there was a third girl, which makes them triplets!

400

How do you write fraction 2/10 in decimal form?

0.2

400

Simplify the expression 4m+5+2m-1

6m+4

400

Pi is a mathematical constant that represents the ratio of what to what in a circle? e.g. area to radius

Circumference to diameter

400

Who is the most famous female Mathematician in history?

Hypatia

400

1000 is the only number from 0 to 1000 that has what letter in it?

An 'A', 1 Thousand

500

272

729

500

Factorise the expression 4x+24

4(x+6)

500

What are the first 6 digits of Pi?

3.14159

500

Which two Mathematicians won the first Fields Medal (like the Nobel prise but for Mathematics) in 1936?

Lars Ahlfors and Jesse Douglas

500

The flag of Turkmenistan contains which colours?

Yellow, Red, Green, White

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