IM 6.7.4 Practice: Ordering Rational Numbers

Select [b]all [/b]of the numbers that are [i]greater than[/i] [math]-5[/math].

[math]-12[/math] [math]-1[/math] [math]-4[/math] [math]17[/math] [math]1.3[/math] [math]-6[/math]

Order these numbers from least to greatest: [math]\frac{1}{2},0.1,-1\frac{1}{2},-\frac{1}{2},-1[/math]

Here are the boiling points of certain elements in degrees Celsius:[br][br][list][*]Argon: -185.8[/*][*]Chlorine: -34[/*][*]Fluorine: -188.1[/*][*]Hydrogen: -252.87[/*][*]Krypton: -153.2[/*][/list][br]List the elements from least to greatest boiling points.

Explain why zero is considered its own opposite.

Explain how to make these calculations mentally.

[math]99+54[/math]

[math]244-99[/math]

[math]99\cdot6[/math]

[math]99\cdot15[/math]

Find the quotients.

[math]\frac{1}{2}\div2[/math]

[math]2\div2[/math]

[math]\frac{1}{2}\div\frac{1}{2}[/math]

[math]\frac{38}{79}\div\frac{38}{79}[/math]

Over several months, the weight of a baby measured in pounds doubles. Does its weight measured in kilograms also double? Explain.

Information: IM 6.7.4 Practice: Ordering Rational Numbers