Integers
The rule for adding integers with the same sign.
What is:
Add their absolute values and keep the sign of the original numbers.
1/2 + (-1/2)
What is: 0
First step in adding decimals.
What is line up the decimals.
Find the sum.
5 1/2 + (-5 1/2)
What is 0
Rule for adding integers with different signs.
What is:
Subtract their absolute values. Keep the sign of the number with a greater absolute value.
1/2 + 1/4
What is:
3/4
What is 4.5 + 2.2
What is 6.7
HEHEHEHE :P
What is
1 4/5 + (-3 4/10)
What is
-1 3/5
6 + (-7)
What is:
-1
-5/8 + 4/8
What is:
-1/8
What is
-32.55 + (-35.12)
What is: -67.67
What is
4 2/3 + 1 1/3
What is
6
Solve:
-12 + (-3)
What is -15
What always has to be the same when adding fractions?
What is: They must have a like denominator.
The sum of (-8.3) and a number is positive. What is a possible value for that number? Explain
What is
Any positive number greater than 8.3. Since when you add a negative and a positive, if you have more positives then negative, the answer will be positive.
Find the sum of the following
-6 4/5 + (-4 1/10)
What is
-10 9/10
2,150 + (-2150)
What is: 0
Solve.
(-4/7) + (-3/10)
What is
-61/70
634.87 + (-445.9)
What is 188.97
Find the sum of the following
-13.7 + 13 4/5
What is
1/10