Question: A student says sqrt(20)~4.4.Is this an overestimate or underestimate?
A) Overestimate, because sqrt(20) is closer to sqrt(16)
B) Underestimate, because sqrt(20) is closer to sqrt(25)
C) Overestimate, because sqrt(20) is greater than sqrt(25)
D) Underestimate, because sqrt(20) is less than  sqrt(16)
Correct answer: A
Grade: 8 | Topic: Number System | Difficulty: Easy | Standard: 8.NS.A.2