Understand PV in money; x 10 and ÷ 10
Adapt the Nice or Nasty game from nrich.maths.org to explore place value when making 3-digit numbers with money. Links with one of Day 1's Group Activities.
Expanded addition: 3-digit numbers - 2
In-depth Investigation: Next Door Additions
Children add pairs of three-digit numbers and look for patterns in the digital roots of the answers.
Mental addition of 2-digit numbers
In-depth Investigations: Dicey Addition
Use dice to generate two 2-digit numbers. Find the total. Whoever has the total closest to 100 wins. Dicey Addition from nrich.maths.org.
Partition 3-digit numbers; place on a line
In-depth Investigation: Counter Place Value
Children place counters on a place value grid to make 3-digit numbers and then use logic to ensure they have made all the combinations.
Expanded addition: 3-digit numbers - 1
In-depth Investigation: Expanded Elevens
Children use base 10 equipment to create 3-digit numbers to add using expanded column addition.
Understand x 100 and ÷ 100 as inverses
In-depth Investigation: Lost Logic
Children use their knowledge of inverse operations to solve a logic problem.