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).