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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 ...
Most people know just one way to multiply two large numbers by hand. Typically, they learned it in elementary school. They’re often surprised to find that there are a variety of ways to do ...
Lynda Colgan receives funding from The Ministry of Education for the Province of Ontario and The Mathematics Knowledge Network (KNAER). Queen's University, Ontario provides funding as a founding ...
Now that we've learned the basics of lightning fast mental addition, mental subtraction, and mental multiplication, it's time to turn our attention to a few tips that will help you take your skills to ...
Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...