Today's PUZZLE CLASSIC OF THE DAY
PREVIOUS 12 DAYS
1, 3, 6, 11, 18, 29...
What number comes next in this sequence?
What Am I?
When I take 5 and add 6, I get eleven. But when I take 6 and add 7, I get one. What am I?
Boat's Screw: 3 Congruent Parts
Cut this figure into 3 congruent parts (identical in area and shape).
TriCounting: Double Open Box
How many triangles are in this figure? Select a triangle and click the "Count" button.
TriCounting: Tetrahedron
How many triangles are in this figure? Select a triangle and click the "Count" button.
Animal Farm Count
A farmer keeps 3 types of animals on his farm: cows, pigs, and horses. How many of each he has, if: a) 3 of the animals are NOT cows. b) 4 of the animals are NOT pigs. c) 5 of the animals are NOT horses.
Score 100
Use 6 darts to score exactly 100 on this target. To score a number, click/tap the respective scoring ring.
Z-Tetromino into the 6x6 Square
What is the maximum number of z-shaped tetrominoes (rotated any way) that can fit in the 6 by 6 square?
Move One Digit - Get It Right
Moving just one digit to a new position makes this equation correct. Which digit and where must be moved?
Mallet: 3 Congruent Parts
Cut this figure into 3 congruent parts (identical in area and shape, though they can be mirrored).
TriCounting: Mirrored Trapeziums
How many triangles are in this figure? Select a triangle and click the "Count" button.
TriCounting: K-lines in Rhombus
How many triangles are in this figure? Select a triangle and click the "Count" button.