Open Middle®
Directions: Using the digits 1 to 9, at most one time each, fill in the question marks to make the following problem true.
Ricky is building ? sets of shelves for the office. It takes him ? ? minutes to do each set of shelves. He’ll be done building the sets in ? hours and ?? minutes.
Hint
Can you make the problem true using the digits 0 – 9 as many times as you would like?
Answer
Answers may vary. For example:
Ricky is building 3 sets of shelves for the office. It takes him 46 minutes to do each set of shelves. He’ll be done building the sets in 2 hours and 18 minutes.
Source: Chase Orton
Ricky is building 3 sets of shelves. It takes him 46 minutes to do each shelf. He’ll be done building in 2 hours and 18 minutes.
Ricky is building 3 sets of shelves for the office. It takes him 25 minutes to do each set of shelves. He’ll be done building the sets in 1 hours and 15 minutes.