Adding
-54 + -16
-70
15 - (-20)
35
-8.9 - 1.3
-10.2
When adding 105 + -94, will your answer be negative or positive?
Positive
What is the additive inverse of -17?
17
-20 + 12
No Calculators Allowed!
-8
-56 - 32
-88
-3/4 + -1/6
-11/12
Ahmad has a -$38 in his account. He gets paid $80 for mowing the grass. He places $50 of that money into his account. What is his current account balance?
$12
Sal claims that -4, 0, 1, and 6 are integers. Is he correct? Explain why!
Yes they are integers. All the numbers in the list are either whole numbers or their opposites.
29 + -63
No calculator!
-34
32 - 56
-24
(1/2) - (-5/6)
11/6 or 1 5/6
Suppose the sum of two numbers is negative. One of the numbers you are adding is positive. What can you conclude about the other number?
The other number is negative, with greater absolute value.
What is a rational number?
Any number that can be expressed as the ratio of two integers.
134 + -59 + 1
76
-104 - (-27)
-77
-62.782 + 98.520
35.738
Jacob had $25 for back to school shopping. He bought a shirt for $15. He then return a pair of shoes, and got $20 in return. How much money does he have now?
$30
Name the property:
1.4 +1.6 = 1.6 + 1.4
Commutative
-37 + 94 + -12
45
-45 - 16 - 19
-80
-4/5 - (-2/3)
-2/15
The lowest temperature recorded in Honolulu, HI was 53 degrees. The lowest temperature recorded in St. Louis, MO was-18 degrees. What is the difference between these two temperatures?
71 degrees
Name the property:
1.6 - 3.2 + 4.5 = (1.6 + 4.5) - 3.2
Associative