Writing algebraic expressions
Write an expression for the product of 3 and w.
What is 3w?
It costs $4 to enter the amusement park and it costs $3 per ride. Write an expression to represent the situation
4 + 3r or 3r + 4
Name all the terms: 2n+4x-8
2n,4x,8
3a - 2 when a = 7
3(7)-2 = 19
Evaluate when p = 6.
p + 9
What is 15?
Write an expression for w less than 8.
What is 8 - w?
It costs $8 to get on the bus and $0.50 per bus stop afterwards. Write an expression to represent the situation.
0.50b + 8 or 8 + 0.50b
Name all the constants: 3x+7+4y+2
7 and 2
p/4 + 3 when p = 24
24/4 + 3 = 9
Evaluate 31 - g when g is 3.
What is 28?
Write an expression for the difference of twice p and 9.
What is 2p - 9?
DOUBLE JEOPARDY! (DOUBLE POINTS!)
It costs $10 to get a taxi and $2 per block.
1) Write an expression
2) Find the cost of your ride if you ride 7 blocks
2) 10 + 2b or 2b + 10
3) It costs $24 to ride 7 blocks
Name all the variables: 3xy+8x-9+2a
x, y, a
7(n + 4) when n=8
7(8+4) = 84
Evaluate the expression 4w when w is 13.
What is 52?
Twice the difference of 6 and x
2(6-x)
It costs $15 for to activate your phone and $40 per month to keep it on.
1) Write an expression
2) Solve if you have your phone for 8 months
1) 15 + 40x
2) $335
Name all the coefficients: x+3y+4z
1, 3, 4
(30/b) + 9 when b =6
(30/6)+9=14
DOUBLE JEOPARDY! DOUBLE POINTS!
Evaluate the expression 2rz - 9 when r = 2 and z = 5.
What is 11?
Write an expression for the difference of r and 8 times 9.
What is the difference of 9(r - 8) or (r - 8) * 9?
It costs $50 to enter the park and it costs $2 per hour to stay there.
1) write an expression
2) Solve if you're at the park for 6 hours
1) 50 + 2x
2) $62
Name all the coefficients: 2x+3y+x
2, 3, 1
(24/4 - c) * a when a=5 and c=1
(24/4 - 1) * 5 = 25
Evaluate the expression 3(x + 4) - w when x is 3 and w is 8.
What is 13?