Y9 MATH Jeopardy

ALGEBRA

100

WHAT IS a 

24a + (25+23) = 96

a = 2

200

If y = 3, solve for x in the equation:

4x - 2y = 10

x = 4

300

70 - 10x = 2x + 22

what is x?

 

x = 4

400

Solve the equation:

2(x - 3) + 4(x + 1) = 14

8 / 3

500

y= 5x-3/4 + 2x+1/3

if y =7, what is the value of x?

(answer in fraction)

89 / 84 

GEOMETRY

100

The sum of the angles in a triangle?

180°

200

What is the formula to find the area of the trapezium? 

Area = (1/2) h (a+b)

300

FIND THE AREA OF THE PARALLELOGRAM:

H=5

B=22

A=110

400

A circle has a radius of 4.5.

Find the area and the circumference.

If you get one wrong you will still get half the points.

Round your answer to 1 dp.

A=63.6
C=28.3

500

A regular polygon has 12 sides. How much is one interior angle?

150°

STATISTICS

100

3-5-9-1-3-6

FIND THE RANGE

8

200

1-3-5-7-3-8-9-0-4-0

FIND THE MEAN

4

300

1-1-2-5-6-1-1-2-2-2-2-1-6-6

find the median (in 1 dp)

2.7

400

1-1-1-1-1-1-1-5-5-5-5-5-5-5-5-5-2-2-2-2-2-2-2-2

7-7-7-7-7-7-8-8-8-8-8-8

Find the mode

5

500

11-14-13.5-15.5-22-17-13-19-21-25

do MEAN - RANGE

17.1 - 14 = 3.1

NUMBERS

100

what is the lowest prime number?

2

200

What is the smallest square number greater than 50?

64

300

how many prime numbers are there under 20?

8

400

write this number in standard form

208000000

2.08 x 10^8

500

(3 x 10^-3) x (1.5 x 10⁵)

4.5 x 10²

MATHEMATICIANS

100

State PYTHAGORAS theorem

a² = b² + c²

200

Which of these people is not a mathematician?

Leonhard Euler or Georgie O'Keele

Georgie O'Keele

She was a painter

300

IN WHAT ROOM DOES MRS FUNDA TEACH?

111

400

who discovered pi and discovered how to calculate the area of a circle?

Archimedes

500

what ancient civilisation first used math?

Sumerians