Your Questions 1
Statistics and Probability
Algebra
Your Questions 2
Measurement tools
100

How deep can a blue whale dive?

Up to 500m

100

A bag contains 3 red balls and 2 blue balls. One ball is selected at random. What is the probability that the ball is red?

3/5

100

Solve for x

3x-4=12

16/3

100

What year was the Magna Carta signed?

1215

100

This tool, often marked in millimetres, is used to measure straight line distances and is commonly found in pencil cases, although not often in this classroom, apparently.

A ruler

200

Who is the youngest player to score 50+ points in a single NBA game?

Cooper Flagg

200

What type of sampling ensures that every individual in a population has an equal chance of being selected?

Simple random sampling

200

if a=4 and b=7, what is the value of 

(3a+4b)/5+ab

36

200

The fundamental theorem of calculus was developed independently in the 17th Century by Gottfried Wilhelm Leibniz and this British physicist.

Isaac Newton

200

This instrument uses the expansion of a liquid such as mercury or alcohol to indicate how hot or cold something is.

A thermometer

300

What is the next number in the sequence

1, 2, 2, 4, 8, 32 

256

300

A student rolls a fair six-sided die 30 times and records that a 6 appears 8 times. What is the experimental probability of rolling a 6?

8/30 = 4/15

300

Which of the following are linear?

y=x^2+3x-4

y=3x+2

y=3^x

y=3x+2

300

Who was the 38th Governor of California in 2003?

Arnold Schwarzenegger

300

Used by architects and engineers, this tool allows very precise measurement of small distances, often to 0.01 mm.

Vernier caliper

400

What two colours are female eclectus parrots?

Red and blue

400

A survey about favourite sports is conducted by only asking students from the basketball team. Why is this sample unreliable?

It is a biased sample because it only represents the basketball team; it does not represent the whole population

400

Factorise

xy+4y+2x+8


(x+4)(y+2)

400

What is C.P.U. the abbreviation for?

Central Processing Unit

400

What is measured in oktas?

Cloud coverage

500

What's bought by the yard and worn by the foot?

A carpet

500

Two fair six-sided dice are rolled. What is the probability that the total is 8?

5/36

500

Make the subject of 

(a+2)/n+r=d

a=dn-rn-2

or

a=n(d-r)-2

500

Translate this sentence

Aujourd'hui c'est le vendredi, vingt-deux mai, deux mille vingt-six

Today is Friday, 22nd May, 2026

500

This scientific instrument measures the intensity of earthquakes and helps determine their magnitude

A seismograph