ADDING INTEGERS
5 + -14 =
-9
5 - (-3) =
8
What are the rules of multiplying integers?
same sign positive answer
What do multiplying and dividing positive and negative numbers have in common?
They share the same rules.
What is PEMDAS?
Parenthesis Exponents Multiplication Division Addition Subtraction
The order in which we problems with multiple operations.
-13 + 2 =
-11 on a number line
What are the rules for subtracting integers ?
Turn the problem into an addition problem by adding the opposite.
-9 x 8 =
-72
What makes a division or multiplication problem positive?
Same signs
2 + 5 x 3 =
-5 + -3 =
-8
4 - 7 =
- 3
-14(-3) =
42
-5( 15 - 3 x 6)
15
-9 + -7 =
-16
Turn the following problem into an addition problem:
7 - (-11)
7 + 11
-2(-7) =
14
What makes a division or multiplication problem negative?
Different signs
24/6 + 3 x 2
10
-7 + 0 =
- 7
The record high temperature for Massachusetts is 104 degrees Fahrenheit. The record low is -18 degrees Fahrenheit. What is the difference between high and low?
122
Jessica joined a gym 8 weeks ago and lost 2 pounds a week. How many pounds has she lost?
16 or -16
30/- 15
- 2
In the order of operations which comes first multiplication or division?
Which ever comes first left to right