Unit 3 Review: Comparing, Ordering, and Graphing Rational Number

Which integer describes the following situation:

Sharon lost $5

• 5

• -5

Answer explanation

Lost means that you're losing money, therefore it is negative.

Tags

CCSS.6.NS.C.5

Which integer describes the following situation:

34 feet above sea level

• 34

• -34

Answer explanation

Above sea level means that you're above zero, therefore it is positive.

Tags

CCSS.6.NS.C.5

Which integer describes the following situation:

Jason was credited 12 Synergy points.

• 12

• -12

Answer explanation

If you're credited an amount, it means that you're gaining something. Therefore, it is positive.

Tags

CCSS.6.NS.C.5

Which integer describes the following situation:

Decrease of 20 degrees

• 20

• -20

Answer explanation

Decrease means down, therefore it is negative.

Tags

CCSS.6.NS.C.5

Write an integer that describes the following situation:

The bottom of the boat was floating at sea level.

Answer explanation

At sea level is zero elevation. Therefore, it means 0!

Tags

CCSS.6.NS.C.5

What is the opposite of -100?

Answer explanation

Opposite integers are the same distance from zero.

Tags

CCSS.6.NS.C.6A

What is the opposite of the opposite of -1500?

Answer explanation

Opposite integers are the same distance from zero.

The opposite of the opposite means you're landing back where you started.

Tags

CCSS.6.NS.C.6A

What is the opposite of point A?

Answer explanation

Opposite integers are the same distance from zero.

Tags

CCSS.6.NS.C.6A

Find the reflection of the ordered pair across y-axis (-3, 2)

Answer explanation

Reflection across the y-axis:

The x value changes the its opposite, but the y value stays the same.

Reflection across the x-axis:

The y value changes to its opposite, but the x value stays the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What ordered pair is Point E on the graph?

• (4,3)

• (-4,-3)

• (-4,3)

• (3,-4)

Answer explanation

Ordered pairs (coordinates) are named (x,y)

The x values are found on the horizontal line (number line running left and right).

The y values are found on the vertical line (number line running up and down).

Tags

CCSS.6.NS.C.6B