Multiply by 5 using the grouping of objects, counting by fives, and arrays. Explore the Multiply by 5 facts using the grouping of objects, counting by fives, and arrays. Compete against characters to ...

Want to be great at math and impress everyone with your quick thinking? You've found the perfect place! Forget boring memorization and long calculations; get ready for a fun journey where math becomes ...

Oh no.I’ve run out of bricks!Hi Sally…yeah that’s right…how did you know? Ok, thanks.Thanks Sally. Mrs Sharma: Cup of tea Dave? Dave: Ooo I’d love one. Dave: Two sugars please. Oh no no no no no!I’ve ...

Mrs Sharma: Oh no, that’s far too many. How about…three? Mr Sharma: Three is definitely not enough, we need four sausages for each child. Mrs Sharma: Ooo…let’s count it out, what can we use? I know, I ...

Chris Tisdell has previously received funding from The Australian Research Council and the Australian Academy of Science. He has an educational partnership with Google and is a member of YouTube EDU.