Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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You are not logged in. #1 2006-11-17 09:42:21
Cross MultiplicationHave a read of page on how to Cross Multiply. "The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman #2 2006-11-17 17:58:29
Re: Cross MultiplicationNo errors whatsoever. Very nice page, it even shows how to cross-multiply with algebra, which is especially good for young children. |