Unit 1 Lessons 1-5 Flashcards
How do you add numbers with the same sign?
Add the absolute values and use the common sign.
How do you add numbers with opposite signs?
Subtract the absolute values and use the sign of the integer with the greater absolute value
What is the Rule of Subtraction?
subtracting the number is the same as adding its additive inverse
What is Additive Inverse?
The number’s opposite
What equation represents additive inverses?
a + (-a) = 0
The sum of any number and its opposite is always equal to what?
0
Does order matter when you add two integers?
No, because according to the commutative property of addition, order will not change the value.
What is the same as counting up to add a negative number?
counting down
What expression reflects the location of the number on a number line ?
p + q; when the q value is positive, the sum will be to the right (or above) of the p value.
Removing (or subtracting) a positive card changes the score in the same way as how?
adding the card’s additive inverse
Removing (or subtracting) a negative card changes the score in the same way as how?
Adding the card’s additive inverse