Answers to Logic Activities

 

Answer Key for Week of April 7

  1. Chicago to Boston: They are the same distance from Boston

  2. Rich Joe: $3

  3. London/NY ships: 7

  4. Circus Ringmaster: 4 tigers and 31 birds

  5. Frugal Frank: $5,368,709.12

  6. Bottomless Pit: 833 1/3 hours or 34 days and 17 1/3 hrs

  7. Five Gallons: Fill 4 gallon, dump into 7 gallon. Fill 4 gallon, dump into 7 gallon (1 gallon remains in 4 gallon). Dump 7 gallon out, dump 1 gallon from 4 gallon into 7 gallon container. Fill 4 gallon and dump into 7 gallon.

Answer Key for week of April 13

  1. Skateboards and Butterflies: 60 miles

  2. Ten Digits: 6,210,001,000

  3. A King, a Queen and a Joker: #1 Queen #2 Joker #3 King

  4. Palindrome Miles: 55 mph

  5. Bleeps and Blops: 5 blops are neither blips nor bleeps

  6. Big and Little Dogs: TinTin

  7. Late to the train: Sergio

Answer Key for week of May 18

  1. Peach Tree: Full grown plant

  2. Cake Boxes: Right and left

  3. A Knight and a Knave: Sal is a knight, Mel is a knave

  4. Rainbow: Green

Answer Key for week of June 15

  1. Weighs More: They weight the same!

  2. Pattern Sequence: 24, 35

  3. Youngest to Oldest: Imane, Sameer, Milo, me, Valeria

  4. Numeral 4: 1: 4/4 | 2: 4/4 + 4/4 | 3: 4/4 + 4/4 + 4/4 | 4: 4 | 5: 4/4 + 4 | 6: 4 + 4 - 4/4- 4/4 | 7: 4 + 4 - 4/4 | 8: 4 + 4 | 9: 4 + 4 + 4/4 | 10: 4 x 4 - 4 - 4/4 - 4/4 | 11: 4 + 4 + 4 - 4/4 | 12: 4 + 4 + 4 | 13: 4 + 4 + 4 + 4/4 | 14: 4 + 4 + 4 + 4/4 + 4/4 | 15: 4 x 4 - 4/4 | 16: 4 x 4 | 17: 4 x 4 + 4/4 | 18: 4 x 4 + 4/4 + 4/4 | 19:4 x 4 + 4 - 4/4 | 20: 4 x 4 + 4

  5. A Knight and A Knave: Emi is a knave, Mar is a knight

  6. Class Field Trip: 6 kids: 20; 20 kids: 1; 42 kids: 3; what might make it tricky is the need to round up

  7. Square: 1st question: 12cm; 2nd question: 36cm