2/3 ÷ 7/8
16/21
Find the mean: 5, 3, 2, 8, 5, 7
5
Solve x/4 = 12
x = 48
Find the nth term of 12, 15, 18, 21, ... ?
3n + 9
Define the term "arithmetic sequence"
A sequence where the numbers go up/down by the same amount each time
Calculate 12% of 800
96
Find the median: 5, 7, 1, 4, 2, 5
4.5
Solve 3x + 2 = 17
x = 5
Find the nth term of 5, 1, -3, -7, ... ?
-4n + 9
Name 5 words that could be used on a probability scale
eg impossible, unlikely, even chance, likely, certain
Convert 12/75 to a decimal
0.16
The probability it rains tomorrow is 0.27. What is the probability it doesn't rain?
0.73
Solve 2(x - 3) = 18
x = 12
What is the 12th term of 1, 6, 11, 16, ... ?
5n - 4 = 56
Describe the method to convert 9/15 into a percentage
Divide to make 3/5. Multiply to make 60/100, so 60%
Which is bigger: 39/60 or 64%
39/60 = 65%
A bag contains 3 green, 4 red and 5 blue counters. What is the probability of taking a not-green counter?
9/12
Solve x/5 + 6 = 11
x = 25
What is the 20th term of -3, -7, -11, -15, ... ?
-4n +1 = -79
Define the term "consistent", when talking about the range
If the range is smaller, the values are more consistent
Order from smallest to largest: 0.24, 13/50, 23%, 0.27, 7/25
23%, 0.24, 13/50, 0.27, 7/25
Find the mean: -3, 6, 2, -5, 1
0.2
Solve 3(2x + 7) = 15
x = -1
Is 74 in the sequence 5, 8, 11, 14, ... ? Why?
3n + 2 = 74, 3n = 72, n = 24 ... YES
Spell the name of this sequence: 1, 1, 2, 3, 5, 8, ...
Fibonacci