# NUMBER RIDDLES

### Fun Facts (Hints)

Math is a part of our lives in almost every way. Check out these interesting facts about math that show why it's the "universal language":
• The mathematical tool, the wheel, is believed to be first used around 3000 BC.
• 3000 BC is also the period in which the Ancient Egyptians started using numerals. As evidenced in their hieroglyphics.
• Fahrenheit invented his thermometer in 1718. Thermometers are mathematical tools used to measure temperature, and of course are still used widely present-day.
• The first evidence of counting dates back more than 52,000 years and is attributed to the Neanderthal man.
• Galileo one of the most famous mathematicians, was born in 1564.
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## An Odd Number Made Even Riddle

Hint:
Seven - Remove the s and it reads even.
Did you answer this riddle correctly?
YES  NO
Solved: 71%

## A Farmer Has 15 Sheep

Hint: "9"
Only 1. All of the sheep died but the one branded "9"
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## Only Self-Enumerating Number

Hint:
Four. The number four has four letters, making it self-enumerating.
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YES  NO
Solved: 54%

## A Word I Know Riddle

Hint:
Dozens.
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YES  NO
Solved: 53%

## One Odd Number

Hint:
Seven (take away the 's' and it becomes 'even').
Did you answer this riddle correctly?
YES  NO
Solved: 79%

## Subtracting Two

Hint:
Once. After you subtract 2 from 32, you subtract 2 from 30, from 28, and so on.
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YES  NO
Solved: 61%

## The Same Number Of Ones Riddle

Hint:
99.
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YES  NO
Solved: 74%

## Not 99 Riddle

Hint:
97.
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YES  NO
Solved: 100%

## I Have 4 Ones. I Have 9 Tens.

Hint:
94.
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YES  NO
Solved: 100%

## Between 80 And 90 Riddle

Hint:
87.
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YES  NO
Solved: 88%

## An Even Number Riddle

Hint:
82.
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YES  NO
Solved: 89%

## Between 70 And 90 Riddle

Hint:
80.
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YES  NO
Solved: 94%

## A Number Less Than 80

Hint:
78.
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Solved: 90%

## An Odd Number Less Than 74

Hint:
73.
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YES  NO
Solved: 97%

## My Ones Digit Is 1 Riddle

Hint:
71.
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YES  NO
Solved: 70%

## Post Your Number Riddles Below

Can you come up with a cool, funny or clever Number Riddles of your own? Post it below (without the answer) to see if you can stump our users.