Constructing Expressions
Write an expression for "5 more than x"
x+5
If x = 5 what is the value of 3x - 2
13
Simplify 4x + 3x.
7x
Expand 2(x + 5).
2x + 10
x + 11 = 20
9
y/4 or y ÷ 4
Calculate 2(a+b) when a = 3 and b = 4
14
Simplify 7y - 2y + y.
6y
Expand 3(y - 4).
3y - 12
4y + 4 = 32
7
A box contains b buttons. Write an expression for the total number of buttons in 3 boxes.
3b
Use the formula P = 2l + 2w to find the perimeter of a rectangle where l = 10 and w = 5.
30
Simplify 4p + 3q + 2p - q.
6p +2q
Expand 5(2a + 3).
10a +15
2(x + 3) = 16
5
Write an expression for "multiply n by 2 and then add 7."
2n + 7
Find the value of y in the formula y = z ÷ 2+ 5 when z = 20.
15
Simplify 5x + 7 - 3x + 3.
2x + 10
Expand 4(3a - 2b)
12a - 8b
3(n - 4) = 15
9
If a car travels at v km/h for t hours, write an expression for the distance traveled.
vt or (v x t)
BONUS
BONUS
Simplify 8a + 2b - 3a + 5b - 4.
Expand and then simplify 2(x + 3a) + 4a.
2x + 10a
5(2a + 1) = 45
4