7th Grade Stampede

Roots

100

6²

What is 36?

200

Square root of 64

What is 8,-8?

300

If a square box has an area of 81, what is one side length?

What is 9?

400

8³

What is 512?

500

If a cube has a volume of 125 ft³, what is the area of one face of the cube?

What is 25?

I'm positive

100

14 - (-9)

What is 23?

200

(-8)(-7)

What is 56?

300

(-3)(5)(-4)

What is 60?

400

2(-45)+120

What is 30?

500

-2.7-0.7+4.2

What is 0.8?

Don't be negative

100

-18-7

What is -25?

200

(-12)(14)

What is -168?

300

(-4)(-3)(-2)(5)

What is -120?

400

1/4 + -2/5 = 

What is -3/20?

500

4/10 divided by -3 1/5

What is -1/8 or -0.125?

Subtracting is fun

100

75-19=

What is 56?

200

-125-(-48) =

What is -77 ?

300

53-(-38)=

What is 91?

400

-144-(-35)=

What is -109?

500

-65-34=

What is -99?

Random Math

100

The first 4 digits of pi (after the decimal)

What is 3.1415?

200

Invented in ancient Babylon and China, this wooden counting frame with sliding beads was the world's first "calculator."

What is an abacus?

300

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?

400

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)

500

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)