Explore and explain the patterns that you can find when counting or multiplying by 11. You might look at the 100 chart below to help you.

Can you explain it when multiplying 11 by 1 digit numbers, 2 digit numbers, 3 digit numbers or more?

Well done to the eager mathematician’s who attempted this week’s problem! There were some fantastic solutions and different mathematical strategies. Click on the image below to check out the solution…

If you would like to see some clever solutions from MPPS students (from Prep to Grade 4) then look at the original problem and see their comments!