Miscellaneous
A letter used to represent an unknown number
What is a variable?
Derrick is 71 years old. His age is 3 years more than 2 times the age of Chase. How old is Chase?
Write and solve an equation
3 + 2a=71
a=34
Zoe gained 7 pounds since her doctor's appointment last year, so she now weighs 86 pounds. How much did Zoe weigh at last years appointment?
Write and solve an equation
w + 7 =86
w= 79