True or False
Elementary Math
Math Riddle
Identification
Word Problem
100
The sum of two odd numbers is odd.
False. Odd + Odd = Even
3 + 5 = 8
100
16 + 23 =
39
100
What weighs more, a kilo of steel or a kilo of feathers?
Neither, both weigh a kilo.
100
What symbol is used to show that two expressions are the same?
Equals sign
100
How many corners does a cube have?
8 corners
200
The number zero originated in India.
True. The first numeral zero comes from a Hindu astronomer and mathematician Brahmagupta in 628.
200
28 - 19 =
9
200
What odd number when you take out a letter becomes even?
Seven
200
What tool is this?
Protractor
200
How many seconds are there in 1 hour?
3600 seconds
300
There are 43 billion possible solutions in solving a 3 x 3 x 3 Rubik's cube.
False. The original 3x3x3 Rubik's cube has 43 252 003 274 489 856 000 combinations, or 43 quintillion.
300
7 x 12 =
84
300
What comes in a year, twice in a week, but never in a day?
The letter "E"
300
A straightedge is a tool commonly used in mathematics. It is also known as ________.
Ruler
300
If Adam is 5 meters away from Eve, and Eve is 8 meters away from the tree, how far is Adam from the tree?
13 meters
400
The calendar being used today was developed by a priest.
True. The Gregorian calendar was instituted by Pope Gregory XIII in 1582.
400
81 divided by 3 is?
27
400
Which month has 28 days in it?
All months in the calendar have at least 28 days in it?
400
An analog clock uses rotating hands to point what specific hour, minute, and second is. Which among the hands rotate the slowest?
The hour hand.
400
Miya is twice as old as Amy five years ago. If Miya is 21 years old now, how old is Amy now?
Amy is 13 years old.
Five years ago: Miya is 16 years old, while Amy is 8 years old.
500
All infinities are equal.
False. Some infinities, are, well…, infinite times greater than other infinities. For example, the number of real numbers between 0 and 1, is a greater infinity than the number of natural numbers.
500
5 + 4 - 3 x 2 =
3
500
What is the biggest odd number possible using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9?
9, 876, 543, 201
(Nine billion, eight hundred seventy-six million, five hundred forty-three thousand, two hundred one)
500
What is the strongest shape in geometry?
Triangles are the strongest shape there is. Any weight placed on them is evenly distributed on all 3 sides. They represent geometric sturdiness; no matter how much weight you put on any side, it will not break.
500
If the day before yesterday was Sunday, what day will it be three days after the day after tomorrow ?
Sunday