Data
Charts
Fractions and percent
standard form/sig figs
Equations and formulae
100
Type of data: Names, places, shapes, colors, etc.
Categorical data
100
How many BMX Bikes were sold?
17
100
Simplify:
6/11 x 5/6
5/11
100
write 36000 in standard form
3.6 x 104
100
simplify 3x(2x + 5)
6x2 + 15x
200
Type of numerical data: Number of students, number of pets, shoe size, goals scored
Descrete
200
How many more people live in Egypt in 2019 compared to 2000?
35 million
200
Convert 7/25 to a percent
28%
200
write 8.06 x 10-6 in ordinary form
0.00000806
200
Solve
-5(n - 6)=-20
n=10
300
What is this called?
Frequency table
300
The ages of males and females are shown in the plot. What is the age of the oldest female?
96
300
2 5/8 - 1 3/4
7/8
300
write 0.0004173 in standard form correct to 2 significant figures
4.2 x 10-4
300
solve
3(x + 1)=2(x + 1) + 2x
x=1
400
How many people surveyed are taller than 1.52m?
33
400
The pie chart shows the colors of 32 different beads. How many were green?
8
400
3 1/5 ÷ 5 2/3
48/85
400
simplify and leave your answer in standard form, correct to 2 significant figures:
(4.9 x 105) x (3.6 x 109)
1.8 x 1013
400
Factorise
7x3y - 14x2y2 + 21xy2
7xy(x2 - 2xy + 3y)
500
Give an example of qualitative data
500
270 ice cream flavors were sold in total. How many were vanilla?
45
500
The number of employees increased from 45 to 92 last year. Calculate the percent increase
104%
500
The population of a country changed from 3.5 x 105 to 2.9 x 105. Calculate the percent decrease.
17.1%
500
make y the subject:
x/√y = c
y=(x/c)2