Problem 1.1: Identify the variable(s) in the following expressions:
a) 6g + 12
b) 18y
c)

+11 - 16 + (5×2)
d) 13 + w - j
e) 2sf
f) 16f (g + 1)² + h
[Solution]

Problem 1.2: Identify the variable(s) in the following equations:
a) 5r + 6 = 11
b)

= 7
c) 116♣ +423♥ = 209
d) 3÷(d + 1) - 4÷(p - 2) = 100
e) 14u = 28v + 7
f) 12 = 5r - 3
[Solution]

Problem 1.3: Are the following expressions or equations?
a) 34x + 6 = 19
b) r + 2y
c) x³ + y⁴ - 6
d) 13p = 106q
e) 3 + 2
f) 213 - 13 = 200
g) 16x [Solution]

Problem 1.4: Translate the following word statement into an algebraic expression or equation:
"Twice the number of cookies Katie bakes plus the number of cookies Prisca bakes minus 6 cookies"
[Solution]

Problem 1.5: Translate the following word statement into an algebraic expression or equation:
"If Rob was half a foot taller, he would be six and one-quarter feet tall." [Solution]

Problem 1.6: Translate the following word statement into an algebraic expression or equation:
"If Ron had scored 15 more points, he would have scored twice as many points as Shawn." [Solution]

Problem 1.7: Translate the following word statement into an algebraic expression or equation:
"John's age divided by 3 is equal to John's age minus 14." [Solution]