Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create dimensions so that rectangle B has a perimeter double & an area quadruple that of rectangle A. Source: Jessica Goree
Read More »Measurement & Data
Make The Time
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make a time that is 3:57 pm. Source: Patty Stephens
Read More »Operations with Time
Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the latest possible time. Source: Robert Kaplinsky
Read More »Operations with Time
Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a time that is 4:37 pm. Source: Robert Kaplinsky
Read More »Building Shelves 2
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. Source: Chase Orton
Read More »Building Shelves 1
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box 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. Source: Chase Orton
Read More »It’s About Time 1
Directions: Using the digits 0 to 9, at most one time each, fill in the question marks to make the following problem true. Suzie leaves work at ? : ? ?. She get’s home at ? : ? ?. Therefore, her commute is ? ? minutes long. Source: Chase Orton
Read More »Interpreting Graphs
Directions: Using the digits 1 to 6 at most one time each, place a digit in each blank and create a graph to make the statements true. Source: Bryan Anderson
Read More »Biggest Rectangle
Directions: Using the digits 1 to 9, at most one time each, find the largest possible area for the rectangle. Source: Nanette Johnson, Inspired by Mike Chamberlain’s Problem
Read More »Perimeter
Directions: Draw three rectangles with a perimeter of 20 units. Source: Dan Meyer
Read More »
Open Middle®