A bus with 25 people makes a stop in the morning, letting off 10 people and letting on 6. The bus makes another stop a few minutes later to let off 2 more people. How many more or fewer people are on the bus after the second stop?
19
Determine which expression has a greater value: -8 + 10 - 5 OR -7 - 4 + 15
-8 + 10 - 5 < -7 - 4 + 15
-4 + 11 + 3 =
10
True or false: A positive number is a real number that is less than zero.
False! That is a negative number!
True or false: The sum is how much one number differs from another
FALSE! That is the DIFFERENCE!
How can you use absolute value to add integers with the same sign?
You add their absolute values, then add back the appropriate sign.
41 - 3 + 3 =
41
7 + 27
34
True or false: 50 is a whole number AND a positive number
TRUE!
-8 - (-9) =
1
8 + -16
-8
-9 + -10
-19
-10 + 20 - 7 =
3
15 - 20 =
-5
15 + 16
31
8-9 =
-1
17 - 5 - 4 =
8
20 + 9 - 7 =
22
Determine which expression has a greater value: -3 + 9 - 7 OR -3 - 5 + 11
-3 + 9 - 7 < -3 - 5 + 11
True or false: The absolute value of a number gives its distance from zero.
TRUE!
True or false: The sum of a number and its additive inverse is zero.
TRUE!
-10 + 5
-5
18 + -5
13
-13 + -13
-26
-12 + 24
12
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