What is the definition of zero?
A number that is neither positive or negative
Negative numbers are (always/sometimes/never) written with a (-) sign
Always
What is wrong with the number line bellow? <-|------|------|------|------|------|------|------|------|-> 0 -.25 -.50 -.75 -1 -2
The integers have the wrong symbol
Numbers increase value to the right or to the left?
To the right
What is a number line?
A number line is a line that shows positive and negative numbers separated in different groups divided by zero.
Explain what this student did wrong. <-|-----|-----|-----|-----|-----|-----|-> 0 .25. .50 1 1.25 1.50 2
The student did not put the number line in a good pattern. The student is suppose to put .75 and 1.75 in the number line
What is wrong? Mark -2 | \/ <-|----|----|----|----|----|----|----|----|-> 0 .25 .50 .75 1 2
He or she put the opposite of -2
Explain how a positive number is greater that zero on a number line?
Greater numbers always go to the right while negative numbers are to the left.
What is a negative number?
A number that is less than 0