plz show your work !!

2 paper clips weigh about  1 gram.
1 nickel weights about  5 grams
200 nickels weigh about 1000 grams or 1 kilogram.


1.) There are 100 paper clips in a box. How many grams would a box of paper clips weigh?

It would weight ____________ grams.


2.) There are 20 boxes of paper clips in a carton. How many grams would a carton of paper clips weigh?

The carton would weigh ___________ grams.


3.) How many grams would a roll of 40 nickels weigh?

The roll would weigh _____________ grams


4.) How many nickels would weigh 5 kilograms?

____________ nickels would weigh 5 kilograms.


5.) A truck is hauling 6 crates. Each crate weighs 35 kilograms. How much do all the crates weigh?

They weigh ___________ kilograms.