Unit 5: Lesson 1 Review

If a number is left of zero it is ______

If the number is to the right of zero it is ______

Which is the lowest number?

• -14
• -25
• -20

Which number is higher than -2?

• -1
• -3
• -9

Which number is the greatest?

• -8
• -10
• -7

Which number is the least?

• -2
• -5
• -1

Which number is closest to 0 on a number line?

• -10
• -14
• -15

Numbers decrease as you go to the left on the number line?

• True 
• False

What kind of numbers are greater than 0? 

• Positive numbers 
• Negative numbers 
• All numbers 
• No numbers 

A plane's altitude changes by -1,000 feet. Is the plane going up or down

• up

• down