Writing Expressions
Write an expression:
5 more than x
5 + x
OR
x + 5
Evaluate when x=5:
3x + 1
16
Simplify:
3x+4x
7x
Write as a sum/difference:
4(x+2)
Sarah has $15 more than her brother. If her brother has $d, write an expression to represent Sarah's amount of money.
If her brother has $22, how much money does Sarah have?
Expression: d + 15
Sarah: $37
Write an expression:
The product of 3/4 and g
3/4g
Evaluate when y=2:
14/y+6y
19
Simplify:
2d+8+3d-5
5d - 3
Write as a sum/difference:
7(3-4y)
21 - 28y
A bakery sold 3 times as many cookies as cupcakes. If they sold c cupcakes, write an expression to represent the number of cookies they sold.
If the bakery sold 30 cupcakes, how many cookies did they sell?
Expression: 3c
Cookies: 90
Write an expression:
4 less than r
r - 4
Evaluate when h=1.2:
h^2-\frac{2h}{3}
0.64
Simplify:
9y-3-y+6
8y + 3
Write as a product:
12x + 4
4(3x + 1)
A fish tank contains 3 fewer red fish than blue fish. If there are b blue fish, write an expression to represent the number of red fish.
If there were 6 blue fish, how many total fish are in the tank?
Expression: b - 3
Total fish: 9
Write an expression:
Two times the sum of p and 12
2(p + 12)
Evaluate when g= 1/3
g/5+2g+1/15
4/5
Simplify:
3/4 *1/2w-9+5/8w
w-9
Write as a product:
30 - 18z
6(5 - 3z)
Sheila has 10 less than 4 times the number of pants as shirts. If she has p pants, write an expression to represent the number of shirts she has.
If she has 6 pairs of pants, how many shirts does she have?
Expression: 4p - 10
Shirts: 14
Write an expression:
Fourteen less than the quotient of w and 3
w/4-14
OR
w\div3-14
Evaluate when a=3/4 and b=2/3
3ab^2+b/a
1 8/9
Simplify:
4*2n+16-5n-11+n
4n + 5
Write as a sum/difference:
1/3(4c-3+2c)
2c - 1
Maurice collects books. He has 3 more than half the number of hardcover books as paperback books. If he has h hardcover books, write an expression to represent how many paperback books he has.
If he has 28 hardcover books, how many fewer paperback books does he have?
Expression:
3+1/2h
Paperback books: 11 fewer books