Multiply by 6 using the grouping of objects, arrays, and facts you already know. Explore the Multiply by 6 facts using the grouping of objects and arrays. Compete against characters to see who finds ...

Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

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 ...

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