In-depth Investigation: Cross Sums
Children arrange numbers 1 to 5 on a cross to make the row and column have the same total.
In-depth Investigation: Halving Chains
Children investigate which numbers from 1 to 20 will give the longest halving chain (each ‘link’ must be a whole number).
In-depth Investigation: Mr Know it All
Children find out which amounts of money from 10 to 20p can be made using 10p, 5p, 2p, and 1p coins, using no more than one of each.
Use the Day 1 Group Activity as this unit’s in-depth problem-solving investigation.
In-depth Investigation: Four towers
Children arrange four towers of cubes such that the difference between neighbouring towers is at least two.