Yahoo

Tutor's 'insane' math trick apparently 'works every time'

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok's resident math whiz. When she's not working as a professional tutor, she's teaching the internet the ...
Yahoo

Tutor's 'insane' math trick apparently 'works every time': 'Why didn't teachers show us this?'

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok’s resident math whiz. When she’s not working as a professional tutor, she’s teaching the internet the ...