Go on TTR's for 15 minutes!
Today's learning will look at efficient subtraction.
What does it mean by efficient?
Efficient is the simplest and quickest way to gain an accurate/correct answer.
Sometimes, we might choose methods that will give us a correct answer but wasn't necessarily the quickest way. Think about if you are under time constraint, doing calculations efficiently is the best way.
Now watch this video (begin from 1 minute) to help your child explore the layout/style of the questions that they will be asked to complete shortly: https://vimeo.com/465337207
Finally, download and complete the questions from the worksheet below.
Please do not draw everything out, simply number the questions and work them out from there.