Writing algebraic expressions
Write an expression for the product of 3 and w.
What is 3w?
How many kids does Mrs. G have? (not including pets)
3
Evaluate when p = 6. p + 9
What is 15?
10 +5x Where x= 0
10
Write an expression for w less than 8.
What is 8 - w?
p/4 + 3 when p = 24
24/4 + 3 = 9
Evaluate the expression for 31 - g when g is 3.
What is 28?
12x +21 Where x = 1/2
27
Write an expression for the difference of twice p and 9.
What is 2p - 9?
7(n+4) when n=8
7(8+4) = 84
What is Mrs. G's favorite food?
Pizza!
Who is Mrs. G's favorite football team?
Buffalo Bills!
Twice the difference of 6 and x
2(6-x)
(30/b) + 9 when b =6
(30/6)+9=14
Evaluate the expression 2rz - 9 when r is 2 and z is 5.
What is 11?
3a-2 when a=7
19
Write an expression for the difference of r and 8 times 9.
What is the difference of 9(r - 8) or (r - 8) * 9?
(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?
Evaluate the expression for 4w when w is 13.
52