Roots
62
What is 36?
14 - (-9)
What is 23?
-18-7
What is -25?
75-19=
What is 56?
The first 4 digits of pi (after the decimal)
What is 3.1415?
Square root of 64
What is 8,-8?
(-8)(-7)
What is 56?
(-12)(14)
What is -168?
-125-(-48) =
What is -77 ?
Invented in ancient Babylon and China, this wooden counting frame with sliding beads was the world's first "calculator."
What is an abacus?
If a square box has an area of 81, what is one side length?
What is 9?
(-3)(5)(-4)
What is 60?
(-4)(-3)(-2)(5)
What is -120?
53-(-38)=
What is 91?
This ancient civilization was the first to use a base-10 number system and used math to build massive, smooth-sided pyramids.
What are the Egyptians?
83
What is 512?
2(-45)+120
What is 30?
1/4 + -2/5 =
What is -3/20?
-144-(-35)=
What is -109?
In a room of just this many random people, there is a 50% chance that at least two of them share the exact same birthday.
What is 23? (The Birthday Paradox)
If a cube has a volume of 125 ft3, what is the area of one face of the cube?
What is 25?
-2.7-0.7+4.2
What is 0.8?
4/10 divided by -3 1/5
What is -1/8 or -0.125?
-65-34=
What is -99?
This is the only number in the English language that is spelled with the same number of letters as its actual value.
What is four? (F-O-U-R)