4: Advanced Counting - Proportions and Ratios

Thanks for visiting NZMaths.
We are preparing to close this site and currently expect this to be in June 2024
but we are reviewing this timing due to the large volume of content to move and
improvements needed to make it easier to find different types of content on
Tāhūrangi. We will update this message again shortly.

For more information visit https://tahurangi.education.govt.nz/updates-to-nzmaths

 

Karla has 16 biscuits and she eats one quarter of these. How many does she eat?


(enlarge)

Student: Two, four, six, eight... ten, twelve, fourteen, sixteen. So that's four.

Click here for video

Students at the Advanced Counting stage understand that the end number in a counting sequence measures the whole set and can relate the addition or subtraction of objects to the forward and backward number sequences by ones, tens, etc.