Writing inequalities
Write the inequality for n is less than 10.
n < 10 or 10 > n
The length of a piece of wire, w, is longer than 20 feet.
w > 20 or 20 < w
If children under the age of 13 must be accompanied by an adult, write an inequality that reflects those children ,c, who must be accompanied by an adult.
c < 13 or 13 > c
A mathematical phrase that can contain numbers, variables, and operations.
Expression
y > 12
closed circle on 12, shaded to right.
Write the inequality for x is greater than or equal to 15.
x > 15 or 15 < x
The number of students in the class, s, is at most 30.
s < 30 or 30 > s
The record for Saint Louis' greatest snowfall is 22.7 inches set in 1982. Write an inequality to represent a snowfall, s, that would beat this record.
s > 22.7 or 22.7 < s
A mathematical sentence stating that two expressions are equal.
Equation
z < 8
Open circle on 8, shade to left.
Write the inequality for p is greater than 6.
p > 6 or 6 < p
Bill's height, h, is less than 65 inches.
h < 65 or 65 > h
A person has to be at least 48 inches tall to ride the Batman roller-coaster at Six Flags. Write an inequality that reflects how tall a person, p, has to be to ride the Batman.
p > 48 or 48 < p
This means to "find the value of."
Evaluate
s < 21
Closed circle on 21, shade to left.
Write the inequality for y is less than or equal to 43.
y < 43 or 43 > y
The cost of the cake, c, will be at least $9.
c > 9 or 9 < c
Mason is taller than his cousin Brian, who is 5 feet 10 inches (5' 10"), but shorter than his uncle Ted, who is 6 feet 2 inches (6' 2"). Write the inequality that represents how tall Mason, m, is.
5' 10" < m < 6' 2"
A statement that compares two expressions using a <, >, <, >, or not equal sign.
Inequality
3 < c < 8
Open circle on 3, shade to 8, closed circle on 8.
Write the inequality for w is greater than 27 and less or equal to 91.
27 < w < 91 or 91 > w > 27
Up to 44 students, s, can ride on the bus.
s < 44 or 44 > s
Write an inequality for h is greater than 5, yet less than or equal to 21.
5 < h < 21
A fraction that is flipped.
Reciprocal
9 > x > 1
Closed circle on 1, shade to right to 9, closed circle on 9.