14. Positive and Negative Integers Flashcards
1
Q
Define “Absolute Value”
A
- The distance a number is from 0 on a number line
2
Q
Define “Negative Number”
A
- A number that is less than 0
3
Q
Define “Number Line”
A
- A line in which equally spaced dots are labeled with numbers, and is usually written with arrows on the end to show the numbers go on indefinitely
4
Q
Define “Signed Number”
A
- A number with a sign (+ or -) in front of it
5
Q
What is the first rule for operations with signed numbers?
A
- When subtracting a negative number, it turns to a positive
6
Q
What is the 2nd rule for operation with signed numbers?
A
- When adding a negative number and a positive number, subtract the two numbers and and take the sign of the number that has a larger absolute value
7
Q
What is the 3rd rule for operations with signed numbers?
A
- When adding two negative numbers, add their absolute values together and add a negative sign in front
8
Q
What is the 4th rule fro operations with signed numbers?
A
- When multiplying or dividing 2 numbers that are both positive, the answer is positive
9
Q
What is the 5th rule for operations with signed numbers?
A
- When multiplying or dividing 2 numbers that are both negative, the answer is positive
10
Q
What is the 6th rule for operations with signed numbers?
A
- When multiplying or dividing 2 numbers with different signs, the answer is negative
11
Q
What is the 1st tip when working with negative signs?
A
- Put parenthesis around the number and sign to keep track of the sign