viernes, 21 de octubre de 2011

Games and Halloween

Find the missing number in the Spooky sequence of ghosts - count by 1s, 2s, 3s, 5s and 10s. You will also find a collection of Ghost Blaster games about odd and even numbers. Get the answers right and send the ghosts back into their haunted house! Math challenge: find the spooky sequence in numbers squared!

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