When 9 is subtracted from a number and then divided by 2, the answer is 4. What is the number?
17
What is the missing angle?
a = 60
Convert the fraction to a decimal
5/8
0.625
How big is a hectare in square meters?
10,000m2
What is the total internal angle of a quadrilateral?
360 degrees
The length and width of a rectangle are 7 cm and (x - 8) cm respectively. Find the value of x if the area of the rectangle is 42 cm2.
14
What is the total internal angle of an octagon?
1080
A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?
28 games
What does 1m3 = in cm3?
1m3 = 1,000,000cm3
Who invented the following formula?
a^2 + b^2 = c^2
Pythagoras
m = 15/8
15/8
Whats the missing angle?
C = 62
2/9 of the people in a restaurant are adults. If there are 95 more children than adults, how many children are there in the restaurant?
133
Calculate the volume
700m3
In math, what does the symbol
i
represent?
√-1
Taylor is five times as old as Spenser. The sum of their ages is eighteen. How old are Taylor and Spencer?
Spencer = 3
Taylor = 15
What are the missing angles?
x = 30
2x = 60
3x = 90
Calculate the answer
Answer: 1
A rectangle field has an area of 300 square meters and a perimeter of 80 meters. What are the length and width of the field?
length = 30 meters
width = 10 meters
What is the first number to contain the letter 'a'?
One Thousand
1000
A mother is three times as old as her daughter. Six years ago, the mother's age was six tines that of her daughter. How old are they now?
Daughter = 10
Mother = 30
Find all unknown angles.
a=58
b=48
c= 74
d=122
Felicia made some mango crepes at a funfair. She sold 3/5 of them and gave away 69 mango crepes. She had 23 mango crepes left. How many mango crepes did Felicia make?
230 mango crepes
5148cm3
What is special about the number 2520?
It is the smallest number divisible by 1,2,3,4,5,6,7,8,9 and 10.
A is a constant. Find A such that the equation 2x + 1 = 2A + 3(x + A) has a solution at x = 2
A =
- 1/5
What is the total of all the unlisted angles?
a = 210
b+c = 75
Answer: 285
What is the square root of 39.9424?
6.32
Calculate the volume
Area of trapezium =
(5.2 + 9.4)/2 *6
= 43.8cm2
Volume =
43.8 * 20.5
897.9cm3
What is a googol?
10^100