Adding/Subtracting Rational Numbers
- 24 + 21 = ??
-3
Find the quotient of 2584 and -8
-323
Write an equivalent expression to 3y + 4 - 6y - 2 by combining like terms
-3y + 2
Solve for x: 2x + 10 = 50
x = 20
Name the four signs and what the graphs look like.
>, greater than, open circle, arrow to the right
>, greater than or equal to, closed circle, arrow to the right
<, less than, open circle, arrow to the left
<, less than or equal to, closed circle, arrow to the left
35 - (-21) = ??
56
What is the product of -24.5 and 2 1/4?
- 55.125
Which is an equivalent expression for -3(m - 2)
-3m + 6
Solve for x: 5 (x + 3) = 30
x = 3
Identify 3 possible solutions for the following inequality:
3x > 15
Any number more than 5.
Examples: 6, 7, 8
-2 + 5 - 30 + (-2) = ??
-29
What is the quotient of -19.45 and 0?
Undefined
A regular pentagon has a perimeter of 10x + 15. What is the length of one side?
Side Length = 2x + 3
Ms. Jones bought 3 coffees for $5.45 each, 2 rebel energy drinks for $7.65, and 1 tea. Ms. Jones spent $34.90 in total. How much did the tea cost?
$3.25 for a tea
Solve and graph the following inequality:
3x - 20 < 22
x < 14
Graph: Open dot over 14, arrow pointing to the left
Nancy went on a hike that took her down 500 feet below sea level. She climbed 250 feet, then took a break before she continued to hike another 1500 feet below sea level. What was Nancy’s final elevation compared to sea level?
- 1750
OR 1750 feet below sea level
Find the product of -3.1, 2 3/4 and 1/2
-4.2625
Find the sum of (5b + 4b - 2) and (-3b + 5)
6b + 3
The apple orchard has a perimeter of 2,500 meters. The orchard is 600 meters in length. Which equation represents the orchard?
REMEMBER P=2L + 2W
2(600) + 2W = 2500
Solve and Graph:
-2(x + 12) < 36
-2(x + 12) < 36
-2x - 24 < 36
-2x < 60
x > -30
Graph: open dot over -30, arrow going to the right
Susie had $350.12 in her savings account on Tuesday. She withdrew $272.50 on Wednesday, then deposited $422.36 on Thursday. What is the new balance in the account?
$499.98
Given -a x -b = ab
Solve if a = -3 and b = 4
-12
Write an equivalent expression by combining like terms. Verify the equivalence of your expression and the given expression by evaluating each for the given values: a = 4 and b = (-3)
2(3a) + 5a + 2b -3b
11(4) - (-3)
44 + 3
47
Solve for x:
2(x + 25) - 40 = 20
2(x + 25) - 40 = 20
2x + 50 - 40 = 20
2x + 10 = 20
2x = 10
x = 5
The Starlight Bowling Alley charges $6 to rent shoes and $8 per game. Cameron has only $42 to spend. Write an inequality to represents this scenario if x represents the number of games Cameron can play?
8x + 6 < 42