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8 of 1000

Eight eights Puzzle – Solution

The Puzzle:

Use 8 exactly eight times to make 1000

a) Using only + − × /
b) Also allowing √, exponents ^, factorials !, and decimal points.

Our Solution:

A) Using only + − × /

By Shivani Dixit:
888 + 88 + 8 + 8 + 8

by Patrick Saunders:
(8(8(8+8)-(8+8)/8))-8

By Manoj Kumar Nanduri:
8(8×8+8×8)-8-8-8

B) Also allowing √, ^, ! and decimal points

by Year 10 Set 4 at Lady Manners in Derbyshire:
8888/8.888

By Robert Veith:
(8888 – 8)/8.88
(8888 – 88)/8.8
(888.8 – 8.8)/.88
88.8/(.8888 – .8)
8.8/(.8888 – .88)
888.8/.8888
(8888 – 88)/8.8
(8888 – 8)/8.88
8.8/.88 X 88/.88
88.8/.888 X 8/.8
888/.888 X 8/8

AND because 10^3=1000 there are 144 solutions made by combining:

Solution to the puzzle: Use 8 exactly eight times to make 1000 a) Using only minus times …

Using 8 exactly eight times to make 1000?

by Fabrizio Nava

Game: Given Eight 8s: 8 8 8 8 8 8 8 8, Add Any Number of “+”s Between the 8’s to Make the Sum Equals 1000.

This was given to us by Lee Lampinski Sr. one of our amazing fans!

Think very carefully before you scroll down!

Answer:

Explanation:

888 + 88 + 8 + 8 + 8 = 1000

Other ways to do it:

#2:

#4:
8(8×8+8×8)-8-8-8

Bonus Riddle:

Think very carefully before you scroll down!

Answer:

Did you get these right? If you have any suggestions for new games please let us know in the comments. We’re always looking for new ones and sometimes our best games actually come from our amazing fans. If we use your game, we’ll make sure to credit you. Thanks for playing!v

Can you Solve this?