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Index
Title Page
Copyright Page
foreword
Table of Contents
1 - fun with numbers
1. the enterprising snail
2. bargain day
3. the bright graduate
4. the erudite bookworm
5. mother’s little kitchen helper
6. seven loaves of bread
7. average speed
8. the ladder
9. remainder of one
10. how much dirt?
11. ten digits
12. rare flowers
13. chickens
14. send more money!
15. the empty flask
16. mrs. crabbe and the bacon
17. window-washing
18. mr. spendmore
19. time?
20. tires
21. trains
22. prime settlement
23. mixture
solutions
2 - fun with letters
1. the professor’s fish
2. floating down the river
3. one hundred dollars needed
4. what is the product?
5. joe nitwit
6. the fly and the bicycles
7. birds in flight
8. phil anthrope
9. the wire fence
10. my favorite orange
11. candles
12. three drain pipes take——?
13. helen’s age is?
14. jack and jill
15. mrs. crabbe and the prunes
16. trust fund
17. what is the first time?
18. round trip from abletown
19. mr. wright and the insurance salesman
20. philip gibson’s children
21. ducks
22. ten-o’clock scholar
23. packing crate
24. trains passing
25. wheat
26. the professor’s window
27. as the crow flies
28. courier
29. outboard vs. speedboat
solutions
3 - the odds: explorations in probability
1. cue’s chance
2. transfers
3. the odds are two to one
4. how many left?
5. tennis at lower dropshot
6. face cards
7. the king of hearts
8. birthdays
9. the walk to 15th and m
10. the three prisoners
11. the dictator
12. more tennis at lower dropshot
13. cubes
14. king’s town
15. professor of ancient history
16. two spades
17. smithley’s problem
18. the odds against smith
19. professor knowsodds’ reply
20. opinionated is not satisfied
21. a pair of dice
22. girls should live in brooklyn
23. the three chess players
24. the five balls
25. how many balls?
solutions
4 - where inference and reasoning reign
part 1. inference
solutions
part 2. reasoning
solutions
5 - the answers are whole numbers
1. the farmers’ market
2. jody and sandra
3. cashier’s error
4. the crossed ladders
5. egg money
6. wendy, sally, and debby
7. monkey business
8. scholarships
9. birthday cakes
10. which is nearer?
11. muggins
12. mary
13. knights vs. bishops
14. the price went down
15. four brothers and their gin game
16. the ancient order of the greens
17. mrs. overtwenty
18. how many men?
19. seventeen pencils
20. jones’ children
21. mrs. quigley
22. the rhind papyrus
23. poppy
24. the graustark cabinet
25. the two cousins
26. professor algebra’s garden
27. coconuts
28. a box of chocolates
29. “seventeeners”
solutions
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