In-depth Investigation: Roomy Boxes
Children cut squares from a square piece of paper, fold up the sides to form an open cuboid and find out which size will hold the most 1cm3 cubes.
In-depth Investigation: Space Distances
This task focuses on distances travelled by the asteroid 'Florence', providing the opportunity to add and subtract powers of 10. Space Distances from nrich.maths.org.
In-depth Investigation: Magic Star Additions
Children explore addition patterns on a star derived from a simple magic star. They use mental or written addition to add 4-digit numbers.
In-depth Investigation: Adapt Nice or Nasty (Game 5, Nasty Version)
Work out the difference between two six-digit numbers and an agreed target number. Keep a running total. First player to 1,000,000 loses! Adapt Nice or Nasty (Game 5, Nasty Version) from nrich.maths.org.
In-depth Investigation: Prime Differences
Children find out if prime numbers become less frequent as we consider sets of larger numbers.