What did one math book say to the other?

Story problems

100

What is the best pizza you have ever had and where was it from?

Pizza is the best

200

When Mario was 6, Luigi was half his age.  If Mario is 40 years old, how old is Luigi?

37

300

You have 17 sheep and all but nine die.  How many sheep do you have left?

9

400

If you multiply x by any other number, the result will be the same.  What number is x

zero

500

If you buy a rooster for the purpose of laying 2 eggs a day, how many eggs will you have after 2 weeks.

None. roosters don't lay eggs

Ratios

100

Give a ratio equal to 1:2

2:4 etc

200

Give a ratio equal to 1:10

10/100 etc

300

5:10    15:30    45:       135:270

45:90    

400

1:4  3:12   :

9:36

500

For every 12 cups of water add 3 cups of water.  If I want only 1/3 of the recipe what is the new ratio.

4:1

Addition

100

25+25= 

50

200

25+-25

0

300

25+-25+25+-25+25

25

400

2/3 + 1/3

1 or 3/3

500

1 Boris + 1 Boris =

2 much Boris!

Subtraction

100

15-15

0

200

5-10

-5

300

37-47

-10

400

-83 - 17 -100

-200

500

-100 - 150

-250

PEMDAS

100

2+2x1=

4

200

2+2x2

6

300

10-50x2

90

400

5(2+2)

20

500

3(3+3-3)

9