Subtraction strategies

Submitted by John Thompson B on 12 February 2009.

An interactive whiteboard guide to a very useful method of subtraction – complete with nifty features such as pull away screens (revealing practice questions), etc.
Please note you must have the Smart notebook software installed on your computer in order to open, view and use this resource http://smarttech.com/

Resource File(s)

e3l1subtractionstrategies.notebook

Resource type

Interactive whiteboard

Physical format

5 Smart Notebook screens

Level

Maths