Integers and Indicies
-5 - 7 =?
-12
What is 0.25 as a percentage?
25%
What are the like terms in this expression?
2x + 8y - 5x + 5x2 - 3
2x and 5x
What is the formula to caluclate the area of a parallelogram?
b x h
Explain what the mean, median and mode is.
Mean - the average
Median - middle value in an ordered set
Mode - most common number
22 x 25 =?
27
Convert 4/5 to a decimal (two decimal places).
0.80
Simplify this expression:
8a + 3b - 7a + 2b + 1
a + 5b + 1
Calculate the radius of a circle that has a diameter of 8cm.
4cm
What is the median of this data set:
6, 9, 1, 1 , 4, 10, 12, 7
6.5
x0 =?
1
What is 0.52 as a fraction? (Simplify for full points)
52/100 = 13/25
Expand this expression:
2(x - 7)
2x - 14
Calculate the circumference of a circle that has a diameter of 10cm
31.42 cm
Calculate the mean of this data set:
3, 8, 10, 15, 8, 8, 4, 2, 1
6.55 or 6.6
(x2)4 =?
x8
Calculate 24% of 82 (two decimal places).
19.68
Factorise this expression
64x + 8
8(8x+1)
Calculate the area of a circle with a diameter of 6cm
28.27cm2
To find out what 8PATASH's favourite subject is, Miss Wood surveys 10 students by pulling their name out of a hat. What type of sampling is this?
Random Sampling
What is 8x8x8x8x8x8x8 in index form?
87
Calculate the percentage mark up on an item with a cost price of $52, but the store sells it for $83.
59.6%
Expand and simplify:
7(x + 2) + (6x - 4)
Calculate the volume of a triangular prism that has a length of 36mm, width of 16mm and a height of 18mm. Now convert this measurement to cm.
10368mm3 = 1036.8cm3
How would a high outlier affect the mean?
Increase the mean