Yr 8 JEOPARDY

Geometry

100

A shape with 4 sides of equal length and 4 right angles

What is a square

200

The perimeter of a rectangle that is 6cm long and 4cm wide.

What is 20cm?

300

The name of the mathematician who created the equation: a²+b²=c²

Who is Pythagoras?

400

A triangle has sides 9cm, 12cm and 15cm. Is it a right angle triangle?

What is yes

500

A square with a diagonal of 10cm. The sides lengths are... 

Hint: c²=b²+a²

What is 7.07cm?

Index laws

100

3²

What is 9?

200

Simplify: 4²x4³

What is 4⁵?

300

Simplify 5⁶ ÷ 5²

What is 5⁴?

400

Anything raised to power 0 is...

What is 1?

500

Simplify (2⁴)³

what is 2¹²?

Solving Equations

100

Solve: 5 + x = 12 

What is 7?

200

Solve: 2x =18

What is 9?

300

Solve: 3x-4=11

What is 5?

400

Solve: x/3 + 2 =6 

What is 12?

500

Solve: 2x+20=y

x=6

What is 32?

General Knowledge

100

How many sides does a hexagon have?

What is 6?

200

What is the name of the horizontal axis on a graph?

What is the x-axis?

300

True or false: a rhombus always has four sides?

What is true?

400

The value of pi to 2 decimal places

What is 3.14?

500

In a group of 23 people, what is the probability that at least two of them share the same birthday?

A) About 5%
B) About 23%
C) About 50%
D) More than 50%

What is D?

Fractions and Decimals

100

0.5 as a fraction

What is 1/2

200

The sum of 2 quarters added together

What is 1/2

300

3/5 as a decimal 

what is 0.6

400

2/3 + 1/6

What is 5/6?

500

Divide: 1.2/0.4

What is 3