Here's a math trick to try: Think of one of the numbers from 1 to 9. Add 9 to your number. Add the digits of your answer together. What is your new number? What do you notice? Try the trick again with a new starting number. What do you notice...
What 6 things could be done to protect and save Grey nurse sharks?
dalekim
Asked:
September 2023
How do you explain this in another way "I think you will always get back to your original number, because adding 9 is the same as adding 10 and subtracting 1."
dalekim
Asked:
September 2023
Grey nurse shark What 3 things could we do to protect and save Grey nurse sharks?
dalekim
Asked:
September 2023
Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?
dalekim
Asked:
January 2023
What other selection of chains could you put together to make a twenty-link chain, using only the sizes 2, 3, 4, 5, 6, 8, 9, 10 and 12? Try writing the fractions down in different ways. Find as many different ways of making a twenty-link chain as you can.