Rational Number Arithmetic Review

Rounded to two decimals, 1/9 = .11. What is 4/9?

(a)  

Which fraction is largest?
$$\frac{1}{6}$$ or  $$\frac{2}{5}$$  

Which fraction is the smallest?

Rounded to two decimals,

1/11= .09

3/11=.27

What is 9/11?

(a)  

Simplify the expression

Use the positive numbers to represent elevations above sea level and negative numbers to represent elevations below sea level. Mary's elevation is 6.5 meters at the beginning of a hiking trail. After walking a few minutes, she has descended 12.2 meters. Which of the following represents her new elevation?

Use the positive numbers to represent elevations above sea level and negative numbers to represent elevations below sea level. Mary's elevation is 6.5 meters at the beginning of a hiking trail. After walking a few minutes, she has descended 12.2 meters. Which of the following represents her new elevation?

Which of the following is a rational number?