Or search by topic
Printable NRICH Roadshow resource
Kimie and Sebastian were making sticks from interlocking cubes. Kimie made blue sticks two cubes long. Sebastian made red sticks three cubes long. They both made a lot of sticks.
Kimie put her blue sticks end to end in a long line. Sebastian put his red sticks end to end in a line underneath Kimie's.
Can they make their lines the same length? How many sticks could Kimie use? How many would Sebastian put down? How long is the line altogether?
Can they make any other lines?
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?