In-depth Investigation: The Eights Have It
Children multiply numbers starting with 9 by 9 and add single-digit numbers in a decreasing sequence. They identify and describe the patterns and start to explain them.
In-depth Investigation: Dicey Differences
Children use two dice with decimal numbers to find largest and smallest possible differences, and use mathematical reasoning to calculate the probability of getting close to a specified target.
In-depth Investigation: Crack the Code
Children use logical thinking and number bonds to solve a mathematical puzzle involving multiplying by 10 and 100 and adding decimal numbers.
In-depth Investigation: Activity Set A
Choose an activity to explore PV in six-digit numbers. Activity Set A from ncetm.org.uk
In-depth Investigation: Nice or Nasty (Game 2, Nasty Version)
Whoever makes the smaller six-digit number wins. Invent your own scoring system. Nice or Nasty (Game 2, Nasty Version) from nrich.maths.org.