Math 6 - Chapter 6 Review

What is an integer?

• The set of all whole numbers and their opposites.

• Whole numbers.

• Positive and negative numbers.

• Fractions and decimals.

Compare: |-9| and |10|

• 9 < 10 so |-9| < |10|

• 9 > -10 so |-9| > |10|

Where would -2.89 go on a number line?

• Between -2.80 and -2.90, closer to -2.90.

• Between -2.80 and -2.90, closer to -2.80.

What's the opposite of -3.2?

• 3.2

• -3.2

What's the only number without an opposite?

• Negative numbers.

• 0

• Fractions.

• Pi

The word "compare" means to either put a...

• <ess than, >reater than, or =qual to sign.

• >ess than, <reater than, or =qual to sign.

• Less than or greater than.

• To see which number is greater.

Evaluate 10 - 5 + 2.

• 7 because first you subtract and then you add from left to right.

• 3 because first you add and then you subtract.

• 7 because first you add and then you subtract.

• 3 because first you subtract and then you add.

How far is it from the point A(3, 5) to B(3, 8)? Explain how you know.

• 3 units because 8 - 5 = 3.

• 0 units because 3 - 3 = 0.

How far is it from point A(3, 2) to point B(3, 2)?

• 0 units because they're in the same location.

• 1 unit because it's one away.

How far is it from the point C(3, -2.5) to D(3, 5)?

• 7.5 units because it's 7.5 units from -2.5 to 5.

• 2.5 units because it's 2.5 units from -2.5 to 5.