Meter/Centimeters
Mr. Harold rolls a ball 5 meters. Sergio has rolls a ball twice as far. How far did Sergio roll his ball in centimeters?
1,000 centimeters
Hero has a box of legos that weigh 4 kilograms. Dabely has a half as many legos. How much legos does she have in grams?
2,000 grams
Blake buys 1,500 grams worth of paper clips on Wednesday. She buys 500 grams more of paper clips on Thursday. How many kilograms of paper clips does she have?
2 kilograms
If there are twice as many chairs as tables in the classroom and there are six tables and a desk at school, how many chairs are there?
13 chairs.