Mastery: Reasoning and Problem-Solving

£10
£6.83

Diagram 2

£5
£2.27

Diagram 3

£10
£3.58

In-depth investigation: Dicey Operations in Line
Adapt Game 2 to subtract pairs of 3-digit numbers, aiming for a difference as close as possible to 400. Dicey Operations in Line from nrich.maths.org.