Prefixes
Understanding + and - numbers
Percy Jackson Chapter 9
Percy Jackson Chapter 10
Percy Jackson Chapter 11
100

This prefix means 'not' or 'opposite of,' as in 'unhappy.'

What is "un"

100

Is -7 a positive or negative number?

Negative

100

What is the master bolt?

Zeus' lightning bolt

100

Why doesn’t Percy leave the bus when he has the chance?

Percy didn't want to leave his friends on the bus with the Furies.

100

How can you tell that Percy isn’t thinking straight after he eats his meal?

He was dazed and in a foggy trance. 

200

This prefix means 'before,' as in 'preview.'

What is "pre"

200

Is 15 a positive or negative number?

Positive

200

Based on the newspaper article Percy finds under his door, what is happening in the real world while Percy is in camp?

The weather is creating destruction and chaos. There is a presidential election taking place. Smelly Gabe is looking for Percy and his mother. 

200

According to Grover, why did Percy’s mom marry Gabe?

So that his smell would cover the scent of Percy and that way monsters would not attack him.

200

What does Aunty Em look like when she opens the door?

She is wearing a black vail with a headdress that covered her hair and face. 

300

This prefix means 'again,' as in 'redo.'

What is "Re"

300

Is 0 considered positive, negative, or neither?

NEITHER 

positive 

or 

Negative

300

Why does Percy have to travel overland?

Because he would be in Zeus' territory and he would be angered even more.

300

Percy says he’s not going on the quest to retrieve the lightning bolt. What’s his real reason for going?


He is going on a quest to save his mother. 

300

Why does Grover start to get nervous at the emporium?

Aunty Em locks the door behind them. There is a statue that looks like his uncle. He can smell monsters.

400

The prefix 'bi-' means this number.

What is the number 2

400

Is -100 greater or less than 0?

Less than

400

What bothers Percy about the Oracle’s prophecy?

The oracle says that he will fail to save what matters most.

400

Who is Argus and why can he never be surprised?

He is the head of security at Camp Halfblood and he can't be surprised because he has eyes all over his body.

400

Why does Annabeth say they have to kill Medusa? Why can’t they just run away?

Medusa keeps turning people into stone and her head doesn't disintegrate along with the rest of her. 

500

The prefix 'sub-' means this position.

What is Below

or

Under

500

Which is greater: 3 or -3?

3 is greater than -3


500

What is unusual about the storm that moves in over camp?

The storm clouds have no lightning because the master bolt has been stolen and it never rains in the camp unless they want it to.

500

What gift does Luke give to Percy? Why can’t Percy use them?

Luke gives Percy a pair of flying shoes and Percy can't use them because if he flies he would be in Zeus' territory.

500

Who are the big three?

Which Gods are they?

What are their powers the rulers of?

Zeus- Sky Thunder, lightning

Poseidon- Storms, Water, earthquakes

Hades- Underworld, dead souls