Mrs. Gage is the BEST!
three times a number x
3x
Solve for n.
7n = 84
n = 12
h - 15 < 42
h < 57
Solve and graph the following inequality:
x + 5 > 20
x > 15
open circle on 15 with arrow pointing to the right
40 / 8 x 2 + 9
19
thirteen times a number is 39
13n = 39
Solve the equation:
f/12 = 6
f = 72
Solve and graph this inequality: p + 15 < 40
p < 25
Open circle on 25 with arrow pointing to the left
If the problem says "the maximum amount" ...what sign would you use?
less than or equal to
5 x 12 - 6 + 4
58
a number n added to 6
6 + n
Solve for z.
14z = 182
z = 13
The phrase "at least" means to use which sign?
Greater than or equal to
Penny wants to spend at least $15 on a pair of jeans. She has saved $5 from her allowance. Find the amount of money m she has left to save for the jeans. Write your answer as an inequality.
m (greater than or equal to sign) $10
14 + 8 / 2 - 53
-35
a number k decreased by 78
k - 78
Martha is x years old now and will be twenty-three years old in eight years. Write AND solve an equation to represent this situation.
x + 8 = 23
x = 15
Solve and graph the following inequality:
x + 15 > 27
x > 12
open circle on 12 with arrow pointing to the right
Solve for x:
x - 10.9 = 34.7
x = 45.6
64 / 8 - 5 - 13
-10
a number z split into 3 equal parts
z/3
A bird flies x miles and then continues 1,100 miles farther, covering a total distance of 2,700 miles. Write AND solve an equation to represent the situation.
x + 1100 = 2700
x = 1600
Write the inequality and graph the following situation:
Dave can run the race in 30 minutes or less
d (less than or equal to) 30
closed circle on 30 with arrow pointing to left
Tomorrow no more than 88 students will take a math test on expressions, equations, and inequalities.
Write AND graph an inequality that represents the number of students who will take a test in math tomorrow and graph it on a number line.
s (less than or equal to sign) 88
A closed circle on at 88 with the arrow pointing to the left.
81 / 3 - 12 x 3 + 36 / 4
0