Directed numbers Flashcards
1
Q
What do two addition symbols make?
A
A positive number
2
Q
What do two minus symbols make?
A
A positive number
3
Q
What does one addition sign and one minus sign make?
A
A negative number.
4
Q
What is a directed number?
A
A directed number is a number with a direction, indicated by a positive (+) or negative (−) sign. Positive numbers are greater than zero, and negative numbers are less than zero.
5
Q
What is the directed number for “a temperature drop of 5°C”?
A
−5°C (since the temperature is decreasing, it’s represented as a negative number).
