Figures
Numbers
Random
Gåders
100
Amount of centicubes in the next figure?
What is 16
100
A number multiplied by itself
What is square number?
100
Linear function
What is y = ax+b
100
Cung and Malthe are brothers. When Cung was 10 years old Malthe was half his age. Cung is now 23. How old is Malthe?
What is 18
200
Overflat of the next figure?
What is 54
200
The missing number in this section and why
1, 4, 9, 16, 25, 36, __, 64
What is 49 - because it is a square number
200
The winkelzum in a triangle, circle, square and a 5-edge?
What is 180°, 360°, 360° and 540°
200
If
1 = 11
2 = 22
3 = 33
4 = 44
What is 11 = ?
What is 1
Because 1 = 11 then 11 = 1
300
The overflat AND the amount of centicubes in the 5th figure
What is 21 centicubes and 86 overflats
300
The missing number in this section
2, 3, 5, 9, 17, 33, __
What is 65
300
The R2 in this graph
What is 0.8937
300
The only number from 0-1000 that has the letter ‘’a’’ when you spell it
What is ‘’one thousand’’
400
The 10th triangular number
What is 55
400
The recursive function for this pattern
What is F(n)=F(n-1)+2n
or
F(n+1)=F(n)+2*(n+1)
400
If you are 10 meters from a door and you want to go to the door, but every step halfs the distance to the door. How many steps do you take before you reach the door?
What is 'you never reach the door because you will be going forever'