Equations and Expressions
4.5-(-2.5)=
7.0
Look at each situation. Determine which situations represent a sum of 0.
A.) Ann baked 24 cookies for her daughter's birthday party. At the party, 24 cookies were eaten.
B.) Three inches were cut off of a bush. Three months later, the bush had grown one inch.
C.) During a trivia game, Bob got 10 answers correct and he got 10 answers incorrect.
D.) Clark spent $5 for lunch and $5 at the movies.
A.) Ann baked 24 cookies for her daughter's birthday party. At the party, 24 cookies were eaten.
C.) During a trivia game, Bob got 10 answers correct and he got 10 answers incorrect.
What is the opposite of -9?
Which is farther from zero: –9 or 7?
-9
What is –3.2 + 1.1?
-2.1
Which of the following expressions is equal to -12? Select three that apply.
A.) -15-3
B.) -13-(-1)
C.) -8-4
D.) -3-(-9)
E.) 5-17
F.) 6-(-6)
B.) -13-(-1)
C.) -8-4
E.) 5-17
A football team loses 8 yards, then loses 12 more. What is the total change?
-20 yards
If point A is at –3 and point B is at 4, what is the distance between them?
7 units
Which has a greater absolute value: –3.5 or 4.2?
4.2
What is –6.75 – 0.5?
-7.25
What is the sum of -5/8 and -1/4?
-7/8
On Monday, the value of a stock was $38.25. On Tuesday, the stock decreased in value by $5.75. Write and solve an equation to determine the value of the stock on Tuesday.
38.25-5.75=32.5
On Tuesday, the stock was $32.50
On a number line, what is the result of moving left 5 units from –2?
-7 units
Which number is closer to zero: –0.8 or 0.25?
0.25
What is the sum of –1.4 and –3.6?
-5
Solve: 15/18-(1/3+1/6)
1/3
A hiker descends 1.75 miles, then ascends 0.6 miles. What is the total change?
-1.15 miles
A number is 6 units from 0 on the number line. Name both possible numbers.
6 and -6
Which has a greater distance from zero: –7.45 or 7.5?
7.5
What is 8.25 – 13.5?
-5.25
Solve: 1 and 1/2 - (-3/5) + 1 and 1/4
3 and 7/20
Luke opened a savings account with a balance of $0.00 and deposited $20.00. During the next 2 weeks, he made two more deposits for $15.00 and $35.00. At the end of the month, he made a withdrawal that brought his balance back to $0.00. Assuming no interest was earned, how much money did Luke withdraw from his savings account?
$70
|-12+5|-|3-15|=
-5
Which is farther from zero: –2.5 or 3/2?
-2.5
−4.78−(2.465+(−7.039))
-0.206