Comparing Integers
171 compared to 119
> Greater than
15+3
18
8-(-6)
14
-6 x 5
-30
24 -: (-8)
-3
When adding integers with the same sign, what do you do with the digits AND how do you know what sign the sum will have?
Add the digits, keep the common sign.
-3 compared to 2
< less than
-8+(-9)
- 17
7-6
1
-3 x -7
21
-12 -: (-3)
4
When multiplying integers with the same sign, what sign will the product have?
2 compared to -4
> greater than
-5 + (-2)
-7
-7 - 5
-12
-3 x -5
15
-10 -:2
-5
When dividing integers with different signs, what sign will the quotient have?
negative
-5 compared to -5
= Equal to
-3+2
-1
3 - (-3)
6
4 x -2
-8
-16 -: (-16)
1
when adding integers with different signs, what do you do with the digits AND how do you know what sign the sum will have?
subtract the digits, take the sign from the bigger number.
-7 compared to -5
< less than
10 + (-12)
-2
-3 - (-11)
8
6 x -15
-90
-18 -: (-6)
When subtracting integers, what are the 3 steps you should take to rewrite the problem as an addition problem?
1. keep the first integer the same
2. change subtraction to addition
3. change the second integer to its opposite