Additive Inverse
What is the additive inverse of 50?
-50
Evaluate the expression.
-9 + (-12)
-21
What is the equivalent expression (Rewrite)?
-5 - 19
-5 + (-19)
What is the distance between -2 and -5?
3
Evaluate the expression:
0.25 + (-0.75)
-0.5 or -0.50
Carlito is playing a card game. He has -3 and 5 in his hand. What card does he need to pick up to get a sum of 0?
He needs to pick up -2 to get a sum of 0.
Simplify the following expression:
-15 + 20
5
What is the equivalent expression?
23 - (-13)
23 + 13
What is the distance between -15 and 2?
17
Evaluate the expression:
-12.4 + 1.5 - (-0.4)
a. -10.5
b. 10.5
c. -15
d. 15
e. 14.3
a
Jeremy's hand in the integer game totals -9. He picks up two more non-zero cards, but his score does not change. What two cards could they be?
1 & -1
2 & -2
3 & -3
Any two opposites.
Evaluate the expression.
-8 - 19
27
What is the equivalent expression?
-18 - (-19) - 5
-18 + 19 + (-5)
What is the distance between -3.5 and -1.4?
2.1
Elevations above sea level are given as positive integers, while elevations below sea level are given as negative integers. Luis is located 15.5 meters above sea level, while Brian is located 12.9 meters below sea level. Which expression can be used to find the distance between Luis and Brian?
a. 15.5 - 12.9
b. 15.5 + (-12.9)
c. |15.5 + 12.9|
d. |15.5 - (-12.9)|
Which situation results in a zero balance?
a. Jose uses his credit card to buy a $1500 sofa and then buys a shirt for $39.
b. Caleb deposits $3500 into a checking account and then writes a check for $350.
c. Kaylee earns $100 from her job and pays $100 to her sister.
d. Brandon spends $60 on video games and then spends $25 on food.
c. Kaylee earns $100 from her job and pays $100 to her sister.
Which of the following expressions are equal to 18? Select all that apply.
a. -9 - 9
b. -2 - (-20)
c. -4 - 14
d. -3 - (-14)
e. 2 - (-16)
f. 10 - (-8)
b, e, and f.
What is the equivalent expression?
-1 + 2 - 3 - 4
-1 + 2 + (-3) + (-4)
Which of the following expressions show the equation to calculate the distance between 10 and -7?
a. |10 + 7| = 17
b. |10 - (-7)| = 17
c. 10 + 7 = 17
d. 10 - (-7) = 17
Simplify the expression.
-5.5 - (-3.4) + 5.8
3.7
Which of the following situations have a new sum of 0? Select all that apply.
a. Cherries and an apple both cost $1.
b. A basketball team scores 15 points more than its opponent on 2 consecutive nights.
c. Bryce has two pieces of candy and eats two pieces of candy.
d. A business's income is 3 times as much as the business's expenses.
e. Amber makes 15 bracelets and she gives her friend 15 bracelets.
True or False?
4 - (-5) - (-10) is a negative sum?
False.
What is the equivalent expression?
5 + 4 - 9 - 3 + 2
5 + 4 + (-9) + (-3) + 2
a. -700 feet
b. 700 feet
c. -70 feet
d. 70 feet
d. 70 feet
Simplify the expression:
3 1/5 + 20.7 - (-5 5/8)
29.525