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Riddle:

Given two 2s, "plus" can be changed to "times" without changing the results: 2 + 2= 2 x 2.

The solution with three numbers is easy too: 1 + 2 + 3= 1 x 2 x 3.

Now find the answer for 4 numbers and for 5 numbers.

Answer:

Solution for 4 numbers:

1 + 1 + 2 + 4= 1 x 1 x 2 x 4.

Solution for 5 numbers:

1 + 1 + 1 + 2 + 5= 1 x 1 x 1 x 2 x 4 

1 + 1 + 1 + 3 + 3= 1 x 1 x 1 x 2 x 4

1 + 1 +2 + 2 + 2= 1 x 1 x 2 x 2 x 2

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Riddle:

Out of 100 ladies attending the dance,

85 had a white hand bag;
75 had black shoes;
60 carried an umbrella;
90 wore a ring;

How many ladies must have had all four items?

 

Answer:

10

Divide by 3. All the ladies had three items. The remainder shows the number of ladies who had 4.

85
75
60
90
______
310 / 3 = 100 + 10 remainder

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Riddle:

A house has 6 stories, each the same height. How many times as long is the ascent to the sixth floor as the ascent to the third?

Answer:

2 1/2 times (5/2, not 6/3).

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Riddle:

Four is half of five.

True or false?

Answer:

It's true. Think roman numerals.

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Riddle:

In a pond there are some flowers with some bees hovering over them. How many flowers and bees are there if both the following statements are true: 1. If each bee lands on a flower, one bee doesn't get a flower. 2. If two bees share each flower, there is one flower left out.

Answer:

4 bees and 3 flowers.

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Riddle:

Three matches are sitting on a table. Without adding another make for three matches four. You are not allowed to break any of the matches.

Answer:

Shape the 3 matches into a romanumeral four.

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Riddle:

A nonstop train leaves Moscow for Leningrad at 60 mph. Another nonstop train leaves leningrad for Moscow at 40 mph. How far apartare the trains 1 hour before they pass eachother?

Answer:

100 miles (60+40)

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Riddle:

Place three matches on a table. Tell a friend to add two more matches to make eight.

Answer:

Add two matches to make a roman numeral eight.

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Riddle:

What number squared = 12345678987654321?

 

Answer:

111,111,111

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Riddle:

I am a place, in a state. I am an answer to a math problem. The math problem is: To get a cube, you multiply something by 6. What do you multiply by?

Answer:

You Times Square!

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Fire up your brain and see if you can remember your multiplication tables and more! See! There are reasons to use math outside of school!

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