🔍 Part 1: Understanding "Sub"

The prefix "sub" means "under" or "below".

✏️ Part 2: Fill in the Blanks

a) The _____________ travelled deep under the ocean.

b) In winter, the temperature can be _____________ (below zero).

c) The train travels through a _____________ tunnel under the city.

d) When you _____________ 5 from 10, you get 5.

🎨 Part 3: Word Building

a) sub + marine = _____________

b) sub + way = _____________

c) sub + zero = _____________

d) sub + merge = _____________