π Space algebra β crack the code:
π§© Complete the pattern: 1, 4, 9, 16, 25, ...
π The Fibonacci pattern: 1, 1, 2, 3, 5, 8, ...
What is the next number?
What is the next number?
𧦠A drawer has 10 blue socks and 10 black socks. It is pitch dark.
How many socks must you grab to be SURE you have a matching pair?
How many socks must you grab to be SURE you have a matching pair?
π A book and a pen cost 110 dollars together.
The book costs 100 dollars MORE than the pen.
How many dollars is the pen? (Carefulβ¦ πͺ€)
The book costs 100 dollars MORE than the pen.
How many dollars is the pen? (Carefulβ¦ πͺ€)
π A clock shows exactly 3 oβclock.
What is the smaller angle (in degrees) between the hour and minute hands?
What is the smaller angle (in degrees) between the hour and minute hands?
πͺ· A water lily on a pond DOUBLES in size every day. On day 30 it covers the whole pond.
On which day did it cover half the pond?
On which day did it cover half the pond?
πΌ An infinite tower of powers:
What is ?
What is ?
π A snail sits at the bottom of a 10 m well. Each day it climbs up 3 m; each night it slides back down 2 m.
On which day does it reach the top?
On which day does it reach the top?
π§± A brick weighs 1 kg plus half a brick.
How many kg does the brick weigh?
How many kg does the brick weigh?
π§© Complete the pattern: 2, 6, 12, 20, 30, ...