@sumsofanarchyofficial: When the pairs are complementary, the multiplication is elementary 🕵🏼‍♂️ A complementary pair is a pair of numbers with: ✨same tens digit ✨ones digits that add up to 10 e.g. 36 & 34 42 & 48 To multiply a complementary pair, we can just multiply the tens digits by the next number up, then multiply the ones digits: e.g. 36x34 3x4=12 6x4=24 So 36x34=1224 👉For more mind-blowing mental maths tips, check out our clever bookmarks set. Featuring 12 of my favourite techniques for bigger multiplications, these will turn you into a mathemagician! Find them on our website or comment MATHEMAGIC for a link to purchase 🥰 ➕ ➖ ✖️ ➗ #multiplication #mathstricks #mathhacks #factoftheday #mentalmaths

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