In-depth Investigation: Dancing Digits
Children use place value addition and subtraction to write chains which ‘swap’ the 10s and 1s digits.
In-depth Investigation: Pink or Blue?
Children explore the number of quarter past and quarter to times in a day by looking at the two sides of the clock.
In-depth Investigation: Double or Halve
Throw the dice and decide whether to double or halve the number shown. Double or halve? from nrich.maths.org.
In-depth Investigation: Order, Order!
Rank quantities in order from smallest to largest. Order, Order! from nrich.maths.org.
In-depth Investigation: Pyramids
Children explore addition patterns in pyramids. They arrange numbers in a pyramid to create the largest and smallest possible totals.