Rational Numbers

Order the rational numbers greatest to least.

• -1/2, -0.45, -1/3, 0.25, 4/5

• 4/5, 0.25, -1/3, -1/2, -0.45

• 4/5, 0.25, -1/3, -0.45, -1/2

• -1/2, -0.45, -1/3, 4/5, 0.25

-3 + 8 =

• 5

• -5

• 11

• -38

-6.4 + -0.21 =

• -0.85

• 6.2

• -6.61

• -6421

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test.  Which equation best describes Bob progress on his math test?

• 5 + 9 = 14

• -5 + -9 = -4

• -5 + -9 = -14

• 5 + -9 = -4

What is -3½ - 4½=

• 7½

• 8

• -1½

• -8

Select all of the following that show the correct equation for the picture given.

• -12 - 9 = 3

• (-9) + (-2) = (-11)

• (-9) + 2 = (-11)

33 + (-38)

• -5

• 5

• 71

• -71

What is the opposite of -3?

• 3

• 0

• -1/3

• 1/3

What is the distance between -4 and 4?

• 0 units

• 8 units

• -8 units

Which equation is represented by the number line model?

• 6 - 2 + 5 =6

• 5 + (-2) + 3= 6

• 0 + 5+ 3 = - 6