Title: Main title slide
1Main title slide
Who wants to be a Mathionaire?
KS3 year 8 and 9
21. (100 points) Write this number in figures
one hundred and two thousand, four hundred and
seventy six.
32. (200 points) 6 people went to an Indian
restaurant. The total cost of the set menu was
72. How much would the set menu cost for a party
of 8 people?
43. (300 points) What does the digit 5 represent
in the number 324.65?
54. (500 points) I think of a number. Add 5, then
multiply by 3 to result in 39. What number am I?
65. (1,000 points) The water level in a dam was
2m. If the level fell by 5m, what is the water
level now?
76. (2,000 points) How many grams are there in
1.25kg?
87. (4,000 points) If a bag contains 2 red, 3
green and 1 yellow counter, what is the
probability of picking a green counter from the
bag?
98. (8,000 points) There are 3 chocolate biscuits
in every 5 biscuits in a box. If there are 30
biscuits altogether in the box, how many of them
are chocolate?
109. (16,000 points) If 24 x 312 7,488, use this
information to work out 2.4 x 31.2
1110. (32,000 points) Round 12.6257 correct to two
decimal places
1211. (64,000 points) The probability of Joe
hitting the bulls-eye with a dart is 1/20. How
many times does Joe expect to hit the bulls-eye
if he throws 200 darts?
1312. (125,000 points) What is 17.5 of 360?
1413. (250,000 points) What is the perimeter of a
rectangle, with one side of length 8cm and with
an area of 56cm3?
1514. (500,000 points) What is the lowest common
multiple of 3 and 5?
1615. (1,000,000 points) Solve the equation 5x 2
2x 7