Eight Arms, Three Hearts: teacher key

Giant Pacific Octopuses, grade 3 edition, written for 3rd grade. How big is the largest octopus? Learn about its eight arms, three hearts, sharp eyes and how a mother cares for her eggs.

Read the book. Print this page for the key.

Questions and answers

1. How far can an adult span, from arm tip to arm tip?
   • About 1 to 2 feet
   • About 7 to 14 feet (answer)
   • About 50 feet
2. What do the suckers help it do?
   • Swim fast
   • Make colors
   • Grip and taste (answer)
3. What is the only hard part of its body?
   • Its beak (answer)
   • Its arms
   • Its skin
4. How many eggs can a female lay?
   • About 20
   • About 20,000 to 100,000 (answer)
   • About 5
5. It lives in a den and is not a social animal. What does that tell you?
   • It lives in a big crowd
   • It lives alone (answer)
   • It lives on land
6. What does hatch mean in: until the eggs hatch?
   • To fall asleep
   • To get bigger
   • To leave the egg (answer)

Words

• suckers: grippy cups
• vision: eyesight
• den: hiding place
• hatch: leave the egg