Oaklin measures the paper strips below in centimeters. What is the difference in the lengths of the paper strips? (include unit in short form)

What is the combined length of the pencil and ribbon? (include unit in short form)

Sarah had a piece of string that was 37 centimeters long. She cut off 15 centimeters. How long was the remaining piece of string? (include units)

How much longer is the bottom Band-Aid than the teal Band-Aid?

Ronaldo tapes three strips of paper together to make a banner. The first piece is 7 inches long, the second is 21 inches long, and the third is 14 inches long. How long is Ronaldo's banner? (include units)

What is the difference in the lengths of the two pieces of yarn? (include unit in short form)

Emily collected 72 seashells at the beach, but she gave 36 of them to her nephew. Then, she bought 45 more at the market. Now, Emily has ______ seashells.