ISEE Mathematics Achievement Question 251: Answer and Explanation

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Question: 251

12. Which of the following has the greatest value?

  • A. +
  • B. -
  • C. ÷
  • D. ×

Correct Answer: A

Explanation:

A To find the greatest value, use the choices and ballpark wherever possible to help. Choice (A) is close to 1, so use this as a comparison point. Choice (B) is smaller, since it is less than . Pay attention to the division sign in (C): ÷ = × = , which is also less than . In (D), multiply the fractions: × = = , which is equal to (C) and therefore less than . The greatest value is (A).

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