one more ball than is on the playground
variable b
What is b+1?
100
three more cookies than are in the jar
variable c
What is c+3?
100
twelve fewer questions than were on the first test
variable q
What is q - 12?
100
b*b-c
(c=2, b=6)
What is 34?
200
seven feet more than the height
variable h
What is h + 7?
200
twice the number of excercises
variable e
What is 2e?
200
two years less than Carlo's age
variable a
What is a - 2?
200
1÷(az)
(a=2, z=1)
What is 1/2?
300
nine less than a number
variable n
What is n - 9?
300
five times the number of books in the library
variable b
What is 5b?
300
three more pancakes than his brother ate
variable p
What is p + 3?
300
z÷(10-2)
z=4
What is 1/2?
400
nine minutes less Frances' time
variable t
What is t - 9?
400
The distance around a basketball, or circumference, is about three times the circumference of a softball. Define a variable and write an expression to represent the circumference of a basketball.
variable c
What is 3c?
400
A plumber charges $50 to visit a house plus $40 for every hour of work. Define a variable and write an expression to represent the total cost of hiring a plumber
variable h
What is 50 + 40h?
400
(1+5)*v
(v=5)
What is 30?
500
A camp leader figures that she needs one tent for every three campers, plus a tent for herself. Define a variable and write an expression to represent the number of tents needed.
variable c
What is c/3 + 1?
500
two more than 7 times Lynn's age
variable a
What is 7a + 2?
500
Carisa is 4 inches taller than her friend Lily
variable l