Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
3 x 30  500 x 60  20 x 6000 
8 x 0.3  0.1 x 0.5  0.9 x 0.07 
49 ÷ 70  63 ÷ 0.7  56 ÷ 0.08 
Topics: Starter  Mental Methods  Place Value
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.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.3 out of 5 based on 92 votes.
Previous Day  This starter is for 11 October  Next Day
3 x 30 = 90  500 x 60 = 30000  20 x 6000 = 120000 
8 x 0.3 = 2.4  0.1 x 0.5 = 0.05  0.9 x 0.07 = 0.063 
49 ÷ 70 = 0.7  63 ÷ 0.7 = 90  56 ÷ 0.08 = 700 
Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.
Christmas Present Ideas
Seasonal, mathematicsrelated gifts chosen and recommended by Transum Mathematics
Teacher, do your students have
access to computers? 

Here is the URL for a concise version of this page without comments or answers.
Transum.org/go/?Start=October11
Here is the URL which will take them to a student version of this activity.