• Gary Darma

Don’t mess with big numbers!

After analyzing some pre-tests particularly subtraction ones The maths team was able to identify some gaps in the learning in regards to place value. Patty brought up some valuable points that we should take away.

1.We don’t borrow numbers, we rename them!

2. Don’t mess with big numbers unnecessarily.

3. What is the point of teaching vertical subtraction/multiplication and addition etc unless they understand the concepts behind it. They need the mental skills to apply their skills in real life situations.

4.  Estimate, estimate, estimate!

Here are some examples of number extenders Lyn showed us…


Here is an example of the now famous Patrick McMullan Grid method:


What are your thoughts on all of this? Please let us know, your feedback is valued…

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