Percentages
Expanding Brackets
Factorising Brackets
Index Laws
Miscellaneous
100
Find 30% of 200
60
100
Using the split method, calculate 56 x 5
56 x 5 = (50 x 5) + (6 x 5)
= 280
100
Find the HCF of 8 and 20
4
100
Write a3 in expanded form
a x a x a
100
Who am I?
- I played for one NRL team my entire career
- I now commentate
- I was regularly accused of paying the refs
- I hold the record for the most number of NRL career games
Cameron Smith
200
Find 4% of 10
0.4
200
Expand 5(x+3)
5x + 15
200
Factorise 2a + 2
2 (a + 1)
200
Simplify y3 x y8
y11
200
If you toss a coin five times and it lands on tails every time, what is the probability it will land on tails next time?
1/2 or 50%
300
Increase $45 by 50%
$67.50
300
Expand -6 (4 - a)
-24 + 6a
300
Factorise b2 - b
b (b - 1)
300
Simplify 4b2 x 9b8
36b10
300
What is the next letter in the sequence: A, Z, B, Y, __?
Letters are alternating between forward and backwards alphabets
So the letter is C
400
Find the percentage profit on a T shirt sold for $200 after being bought for $120
66.67%
400
Expand -9a (a + 7)
-9a2 - 63a
400
Factorise -8c - 16
-8 (c + 2)
400
Simplify -32c9 ÷ - 8c4
4c5
400
Who am I?
- I played for one AFL club and was captain for 10 years
- I come from Wagga and played for Wagga Tigers
- I won the Brownlow medal
Paul Kelly
500
Find the percentage loss of a cricket bat that was sold for $120 after being bought for $300
Loss = $180
% loss = 60%
500
Expand -b (2bc - b)
-2b2c + b2
500
Factorise -9x2y - 9xy
-9xy (x + 1)
500
Simplify
(9d4a2 x 9d2a3)÷ (27d3a2)
3d3a3
500
What is the first number in English that when spelled out has its letters in alphabetical order?
Forty