Column subtraction; choose strategies
In-depth Investigation: Persistent Answers
Children subtract numbers with consecutive digits from numbers with identical digits and record the different possible answers.
Deepen understanding of 6-digit numbers
In-depth Investigation: Activity Set A
Choose an activity to explore PV in 6-digit numbers. Activity Set A from ncetm.org.uk
Place 6-digit numbers on a line; round
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.
Divide by 10/100; 2-place decimals
In-depth Investigation: Dicey Operations in Line (adapt Game 6)
Roll a 0 to 9 dice four times to create a calculation in the form ☐☐☐☐ ÷ 10 or ☐☐☐☐ ÷ 100. Whoever has the answer closest to 555.5 or 55.55 wins. Dicey Operations in Line (adapt Game 6) from nrich.maths.org.
Perimeters: composite and rectilinear
In-depth Investigation: Area and Perimeter
Begin to explore the relationship between perimeter and area. Area and Perimeter from nrich.maths.org.
Multiples, factors and word problems
In-depth Investigation: Long as You Like
Children create chains of numbers by finding factors and multiples. Their aim is to create the longest chain possible.