Cycling is faster than walking, (as)
→ Cycling is as fast as walking.
(The structure with "as" usually suggests similarity, so a positive form like "as fast as" is the expected completion.)
Money is not as important as health, (than)
→ Health is more important than money.
Oil painting is not the same as pencil painting, (from)
→ Oil painting is different from pencil painting.
I think rock music is more popular than jazz.
→ I think jazz music isn't as popular as rock music.
Cycling is faster than walking.
→ Walking is slower than cycling.
Money is not as important as health.
→ Health is more important than money.
This painting isn't so expensive as my favourite painting, (than)
→ My favourite painting is more expensive than this one.
He has 4 pencils in his pencil case.
→ How many pencils does he have in his pencil case?
We buy 2 new dresses this afternoon.
→ How many new dresses are we buying this afternoon?
They need 40 grams of butter for the cake.
→ How much butter do they need for the cake?
My mother buys 10 eggs.
→ How many eggs does my mother buy?
She puts a lot of milk in her coffee.
→ How much milk does she put in her coffee?