20 Quick Questions No 5 Improving pace of mental math calculations: Multiplying and dividing by 10 or 100
This is one of 20 interactive activities for the IWB where students are challenged with 20 mental math questions in quick succession.
Each activity has 20 question followed by the answers. There is also a free sheet that teachers may choose to issue to pupils for recording answers.
This is easily adapted and pupils derive a huge level of enjoyment from the challenge of this type of activity. I have used this with great success.
The slides are timed so all the teacher needs to do is press F5 and the activity runs itself.
20 Quick Questions by Bridie Gibb is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License