10+ published
7 × 8 = 54. True or false? Quick.
How many digits can you hold in your head?
Six pairs. Remember where everything is.
Small is worth more. Gone is worth nothing.
Fast hands are easy. Fast hands that can stop are not.
See the arrow, hit the direction. No thinking allowed.
Drop the ball, let the pegs decide.
Flip the lights until every one is off.
Spot the pattern before the clock does.
How many tiles can you hold in your head?