Proper Patterns

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Given some of the proper factors of a number, what could the number be?

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Squaring Legs

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Using information about how a scroboscopus squares its number of legs, can you tell how many scroboscopi Tom bought?

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The Middle Digit

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Investigate the pattern(s) involving the middle digit in the square of numbers whose digits are all 1’s.

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Breaking the Code

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Use what you know or what you can find out about common letters to help you decode this message.

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Counting Terms

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How many terms are in the given sequence?

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Average Patterns

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Use the average of four 26’s and four 34’s to determine the average of four of another number.

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Sprinting Around

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When will Sonic the Hedgehog, the Road Runner, and the Tasmanian Devil meet if they are running on a circular track following the patterns described?

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Missing Letters

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Find the next two letters in the given sequence.

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Number Machine

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What will the number machine give me if I put in 100?

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Even Factors

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Find numbers whose factors are all even (excluding the number 1 as a factor).

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