Circumference and Radius Adventure

Circumference and his son Radius enjoy a meal when Circumference falls ill. Radius mistakenly gives him a potion that turns him into a dragon. Radius searches for a cure and discovers the mathematical constant pi. He uses this knowledge to restore his father, leading to a celebration of his discovery.

What were Circumference and Radius doing at the beginning of the story?

• Riding horses

• Building a castle

• Enjoying a midday meal

• Fighting a dragon

What caused Circumference's stomach pain?

• He ate too much

• He was poisoned

• He drank a potion

• He was cursed

What did Radius find in the doctor's workroom?

• A map

• A potion labeled 'Firebelly'

• A magic wand

• A dragon egg

What happened to Circumference after drinking the potion?

• He became invisible

• He turned into a dragon

• He fell asleep

• He grew wings

Who did Radius first seek help from after Circumference turned into a dragon?

• The village elder

• His mother, Lady Di

• A wizard

• The king

What did Radius discover about the relationship between a circle's circumference and diameter?

• The circumference is half the diameter

• The circumference is equal to the diameter

• The circumference is three and one-seventh times the diameter

• The circumference is twice the diameter

What did Radius use to measure the objects?

• A measuring tape

• A piece of string

• A compass

• A ruler

How did Radius confirm the magic number?

• By measuring a dragon

• By measuring wheels

• By measuring a tree

• By measuring a pie

What was the final step Radius took to transform Circumference back to human?

• He recited a spell

• He drew a circle around the dragon

• He used a magic wand

• He gave the dragon a potion

What did the knights do after Circumference was transformed back?

• They celebrated with pies

• They built a monument

• They attacked the dragon

• They left the forest