Adding Rational
when two numbers added together equal zero
what is absolute zero
the distance any number is from the number line.
what is a negative times a positive
negative
what is the equation for 24 groups of 8?
24/8
7 + (-2) on the number line
*show on white board*
What is the difference between integer and rational number?
rational numbers include fractions but not zero. Integers are positive, negative, and zero.
what is a negative times a negative
positive
what is the equation for 56 groups of -7
56/-7
-8 + 6 on a number line
*show on white board
5- 7
-2
-5^2
25
If the whole is positive what are the two combinations for the parts?
two positives or two negatives
Write a story for the following equation ( 4 + (-2))
I had four dollars and gave my friend two
-4 - 2 on the number line
*shows on white board)
-4.2 * -5.5
23.1
if the whole is negative what is the combination for the parts
one has to be negative
Write the equation for this story " I went to the pet store because my pet fish died, I bought two more fish.
-1 + 2
-9 - (-15)
6
-1/2 * -1/3
1/6
-1/5 * .75
-0.15