Topic 2 Practice Test

What is the sum of -4 and its opposite?

• -8

• 8

• 0

• 4

Answer explanation

The sum of any number and its opposite is zero!

Tags

CCSS.7.NS.A.1B

What could each point on the number line represent? (Think real-world).

Explain your answer. Make sure you talk about each point.

Tags

CCSS.6.NS.C.6C

Select two statements about opposites that are true.

• The opposite of a number is always a negative number.

• The opposite of the opposite of a number is the number itself.

• A number and its opposite are located on opposite sides of zero on a number line.

• The opposite of a number is 1 divided by that number.

• The opposite of a number is always a positive number.

Tags

CCSS.6.NS.C.6A

Which expression has the greatest value?

Tags

CCSS.6.NS.C.7C

Which has a greater absolute value: -23 or 11?

Mathematical Equivalence

ON

Tags

CCSS.6.NS.C.7C

Which has a greater absolute value: -23 or 11?

Explain your answer using at least one complete sentence.

Tags

CCSS.6.NS.C.7

The elevation at the lowest point in California is higher than the lowest point in Louisiana.

• True

• False

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The elevation at the lowest point in Tennessee is farther from 0 than the elevation at the lowest point of Louisiana.

• True

• False

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The elevation at the lowest point in Louisiana is higher than the lowest point in California.

• True

• False

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

David claims, “If the absolute value of x is greater than the absolute value of y, then x is greater than y.” Determine whether each set of values for x and y supports or does not support David’s claim.

Groups:

(a) True

,

(b) Untrue

• x = 14 y = -6

• x = -0.5 y = -0.1

• x = -3/4 y = 1/2

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B