More Sideways Arithmetic From Wayside School (Wayside School 2.60)

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Problem 8:

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Begin with the letter t. Notice that in the first column, 4 times o equals t. Therefore, t must be even. And if you look in the last column you see that 4 times t equals a single digit number.

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Problem 9:

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You should begin by figuring out what numbers the circled s, h, and most importantly e must be. Then notice the second column: e + r = l. So what is the relationship between l and r?

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Problem 10:

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Notice that t is one more than s. That should give you p.

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Problem 11:

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Now that we’re adding three numbers, the circled t can be 1 or 2. Which is it?

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Problem 12:

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This problem was included because while making up these problems I discovered a unique quality about the number 5. Observe:

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Now see if you can find the number 5 in the problem.

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Problem 13: