By the Numbers on the Ice: teacher key

Leopard Seals, grade 3 edition, written for 3rd grade. How long is a leopard seal, and how much does it weigh? Measure one up, then see what it eats and how a pup is born.

Read the book. Print this page for the key.

Questions and answers

1. About how long is an adult female leopard seal?
   • 1 to 2 metres
   • 2.9 to 3.6 metres (answer)
   • 10 metres
2. Which is larger, a female or a male leopard seal?
   • A male
   • They are the same
   • A female (answer)
3. About how much does a newborn pup weigh?
   • 30 kilograms or more (answer)
   • 3 kilograms
   • 300 kilograms
4. Males weigh up to about 300 kilograms. The largest females weigh about 500. What does that tell you?
   • Males are always bigger
   • Some females are heavier than males (answer)
   • They weigh the same
5. What does nursed mean in: it is nursed for four weeks?
   • Fed milk (answer)
   • Taught to swim
   • Moved away

Words

• flippers: swim limbs
• krill: tiny sea animals
• nursed: fed milk