Lesson 10 Vocabulary

What is the definition of absolute value?

• A number's distance from 0 on a number line; never negative

• A number's distance from 0 on a number line; always positive

• A number's distance from 0 on a number line; can be negative

• A number's distance from 0 on a number line; always zero

What are opposite numbers?

• Numbers that are the same distance from 0 on a number line but in opposite directions; have the same numeral, but opposite signs

• Numbers that are the same distance from 0 on a number line and in the same direction; have the same numeral, but opposite signs

• Numbers that are different distances from 0 on a number line but in opposite directions; have the same numeral, but opposite signs

• Numbers that are the same distance from 0 on a number line but in opposite directions; have different numerals, but opposite signs

What does it mean to represent something?

• To use as a sign, symbol, or example for something

• To use as a number, symbol, or example for something

• To use as a sign, numeral, or example for something

• To use as a sign, symbol, or example for nothing

Which of the following is true about absolute value?

• It is always negative

• It is never negative

• It is always zero

• It is sometimes negative

If a number is 5 units away from 0 on a number line, what is its absolute value?

• 5

• -5

• 0

• 10

Which pair of numbers are opposite numbers?

• 3 and -3

• 3 and 3

• -3 and -3

• 3 and 0

What is the absolute value of -7?

• 7

• -7

• 0

• -1

If a number is represented by the symbol "x", what does "x" do?

• Acts as a sign, symbol, or example for the number

• Acts as a numeral, symbol, or example for the number

• Acts as a sign, numeral, or example for the number

• Acts as a sign, symbol, or example for nothing

Which of the following is not a characteristic of opposite numbers?

• They have the same numeral

• They have opposite signs

• They are the same distance from 0

• They are in the same direction from 0

What is the opposite number of 8?

• -8

• 8

• 0

• -1