Rational Numbers

Fill in the blank with the correct sign >, < , or =
-1.8_____ 0.8

• >
• <
• =

Fill in the blank with the correct sign >, < , or =
-3.4  ________ -2.5

• >
• <
• =

Put the following in order LEAST to GREATEST:

0.54, 2/5, 0.45

• 2/5, 0.45, 0.54

• 0.54, 2/5, 0.45

• 0.54, 0.45, 2/5

• 0.45, 2/5, 0.54

Put the rational numbers in order from least to greatest.
-4.2, -4 1/2, -4, 0, 4 

• ^{0, -4 1/2, -4.2, 4, -4}
• ^{-4 1/2, -4.2, -4, 0, 4}
• ^{-4 1/2, -4.2, -4, 4, 0}

Which correctly orders the following decimals and fractions from least to greatest?
3/12, 8/9, 0.75, 0.22

• 0.22, 3/12, 0.75, 8/9
• 0.22, 0.75, 8/9, 3/12
• 8/9, 0.75, 3/12, 0.22
• 0.75, 8/9 0.22, 3/12