Start with 512
Halve it to get 256
Halve it to get 128
- - -
Continue as far as possible
[Decimal fractions are allowed but calculators are not]
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:
However it would be better to assign one of the student interactive activities below.
Here is the URL which will provide a little light relief. It is a game based on the sequence of doubling numbers but might be best left till the last five minutes of the lesson as it is quite addictive!