Number Systems
Multiply and Divide
Add and Subtract
Unit rates and Estimation
Trivia
100

Name the most specific system this number belongs to: 1/2

Rational Numbers
100

-2x3

-6

100

-2+0

-2

100

If grapes are on sale for $18 for 9 lbs, what is the cost per lb?

$2 a lb

100

Who does Shrek marry?

Princess Fiona

200

Name the most specific system this number belongs to: -2

Integers

200

(-0.5) (-0.75)

0.375

200

-6-7

-13

200

It takes 14 min for Erik to paint 6 Easter eggs. How many minutes does it take him to paint one egg?

2 1/3 min

200

Who has more tastebuds: humans or dogs?

humans: dogs have about 1/6 the amount of tastebuds as humans

300

Name the most specific system this number belongs to: 0

Whole numbers

300

(4/7) / ( -8/21)

-3/2

300

(-1/2)-(3/7)

-13/14

300

(-2 2/7) + (6 3/7) is about how much

4 or 4 1/2

300

What layer of Earth contains the ozone layer?

Stratosphere

400

Name two systems this number belongs to: 4

Whole numbers, natural numbers, integers, rational numbers, real numbers

400

(-9/10) / .9

-1

400

(-0.9) + (3.45)

2.55

400

(-5 1/6) + (17 17/24) is about how much

13

400

Name the three branches of the U.S government

Executive, judicial, legislative

500

Name all the systems this number belongs to: 3

natural numbers, whole numbers, integers, rational numbers

500

(2 1/2) x (-3 3/5)

-9

500

(-0.7) + (- 1/3)

- 1 1/30

500

Estimate (4 5/6) - (- 3 7/8) and compare to the actual answer

Estimate: 5 - -4 = 9

Actual 8 17/24 Yes it's reasonable

500

At what temperature is Celsius and Farenheit the same?

-40